The "<varying words>" plugin does not exist

Created on 14 April 2024, 2 months ago
Updated 13 June 2024, 2 days ago

Problem/Motivation

I am using Drupal 10.2.5 and PHP 8.3.6 on Ubuntu 22.04.

My website suddenly no longer displays properly since last night and only displays the following message:

Drupal\Component\Plugin\Exception\PluginNotFoundException: The "" plugin does not exist. Valid plugin IDs for Drupal\Core\Display\VariantManager are: in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

Those "varying words" were initially "text_default" and became "language", "block_page", etc. when I tried to resolve the issue according to past posts here.

Steps to reproduce

Many past posts here on similar issues have been read. They were basically related to Drupal 8 or 9. I am now using Drupal 10. Those issues have been closed for quite some time. The solutions posted have been tried by me but without success. Such solutions are: using drush updatedb, drush eval "drupal_flush_all_caches();", drush cr, etc. or editing the codes.

I had restored once the website and mysql database based on 7 April 2024 backups. It worked.

But after I have done composer update -W, drush updatedb, and drush cr, the above message appears again.

Proposed resolution

I guess that the updates since 7 April 2024 might be the cause of the problem.

I would restore the old backup again for temporary use.

I am looking for help to resolve the issue.

Thanks!

Remaining tasks

User interface changes

API changes

Data model changes

Release notes snippet

💬 Support request
Status

Active

Version

10.2 ✨

Component
Plugin  →

Last updated about 13 hours ago

Created by

🇭🇰Hong Kong KC Tang

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Comments & Activities

  • Issue created by @KC Tang
  • Status changed to Postponed: needs info 2 months ago
  • 🇺🇸United States cilefen

    Which specific updates were installed since this was working.

  • 🇭🇰Hong Kong KC Tang

    Apart from using composer update, i have not made any changes to the existing modules or themes. I use composer update rather closely whenever I am informed to do an update. I have not written down the updates made by composer update since 7 April 2024.

    After the last report, I restore both the website and the database from the backups on 7 April 2024. It is working now, but I dare not do a composer update now to risk causing the errors again.

    In the meantime, I hope that there can be a solution. Alternatively, direct me how to record the matters changed by composer update, and I may do a composer update to check.

  • 🇺🇸United States cilefen

    What did Composer update? The command produces output. There isn’t much to go on here, except to say that it looks like a class file is missing.

  • 🇵🇱Poland peszek07

    I ran into the same problem. I have already deleted the vendor web/core web/modules/contrib directories and downloaded them again with composer. The problem only occurs on the server. I downloaded all the files and the database to the local environment and the problem does not occur. Looks more like an environment/PHP issue. I'm using PHP8.3.6(debian) on the server and PHP8.6.2(ddev on ubuntu) locally.

  • 🇭🇰Hong Kong KC Tang

    Hello cilefen,

    1. I did not record what "composer update" had updated before the problem arose. I may only tell when I do another composer update.
    2. The restore using the 7 April 2024 backups let the webpages show up without errors. Only when I use the Admin functions that the errors appear again. Therefore, the errors might already have been there but to a lesser extent.
    3. I therefore will do a "composer update" or make major removal and installation during the week end when the webpages are not in use.

    Hello peszek07,

    Would you please advise exactly which directories I should delete? My root folder is "web". Did you mean "web/vendor", "web/core" and "web/modules/contrib". I find that they have many files other than those used by modules. Is it alright to delete them all? Should I just use "rm -r" to remove? What commands should I use to download and install them back?

  • 🇵🇱Poland peszek07

    If you have properly installed Drupal via composer you can delete vendor web/core web/modules/contrib. Those directories should be in .gitignore file too, because they are downloaded via composer. But this didn't the problem for me. I still have WSOD(saying plugin not found) on every page of my drupal installation.

  • 🇺🇸United States cilefen

    @KC Tang Does file `core/modules/media/src/Plugin/media/Source/AudioFile.php` exist in that Drupal codebase?

  • 🇵🇱Poland peszek07

    A very strange situation, today after composer update and clearing the cache everything was back to normal.
    No packages have been updated with composer or custom code.
    I've done it probably 50 times in the previous days, but only today it started working.

  • 🇵🇱Poland peszek07

    A very strange situation, today after composer update and clearing the cache everything was back to normal.
    No packages have been updated with composer or custom code.
    I've done it probably 50 times in the previous days, but only today it started working.

  • 🇭🇰Hong Kong KC Tang

    @cilefen
    The Audio.php file is there. All the php files there are dated April 3 15:19.

  • 🇭🇰Hong Kong KC Tang

    No luck! I have removed web/core, web/vendor and web/modules/contrib, and used composer update to install them back, but similar error messages appear. This time: "The "text_default" plugin does not exist."

    I now have to restore the web folders and database again. Hope that it can come up for service until the real fix.

  • 🇺🇸United States cilefen

    Was the core/modules/text/src/Plugin/Field/FieldFormatter/TextDefaultFormatter.php file present when that error about text_default occurred?

    The "Needs steps to reproduce" remains on this bug report. At this time there is no technical clarity as to the immediate cause of the bug. We need, for example, the answer to the question in comment #2 to make some progress here, as this is reported as a regression.

    Did anything about the server or hosting platform change in the timeline of when the bug appeared?

  • 🇭🇰Hong Kong KC Tang

    The file core/modules/text/src/Plugin/Field/FieldFormatter/TextDefaultFormatter.php was present.

    The first error occurred when I used ICME to add images. It said that access was forbidden. After I used composer update, drush updatedb and drush cr in an attempt to rectify, the "plugin does not exist" message appeared with no access to any page.

    I restored the web files and database once without doing compose update. It was fine but when I used some admin functions, the "plugin does not exist" message appeared again. Luckily, the main pages were still OK.

    When I run composer update, drush updatedb and drush cr, the "plugin does not exist" message appeared with no access to any page.

    The image below captured the updates made by composer update. Hope that this is useful.

    I have exhausted all the remedial methods found on internet talking about missing plugins. I am now planning to install a fresh Drupal and import the existing files.

  • 🇺🇸United States cilefen

    Have you at any time restarted the web server (and PHP, if this is an FPM setup) during this?

  • 🇭🇰Hong Kong KC Tang

    This is how I resolved the issues:

    Copied the database to a different name.
    Copied the web files to a directory of different name.
    Edited the sites/default/settings.php under the new directory to change the database name to the new one.
    Interchanged the old and new directory names to carry out testing.

    [interchanged just in case I need to go back to use the original web files.]
    [Luckily, I could access admin > Reports > status report this time.]

    Updated the following reported to have been outdated:
    ckeditor5 Fullscreen 1.0.0-beta7 -> 1.0.0-beta8
    token 8x-1.13 -> 8x-1.14
    insert 3.0.0-beta6 -> 3.0.0-beta6
    drupal/core 10.2.4 -> 10.2.5

    [There was User warning: mkdir(): Permission Denied in Drupal\Component\PhpStorage\FileStorage->createDirectory() (line 123 of core/lib/Drupal/Component/PhpStorage/FileStorage.php). Error because my user name was used as the owner when I copied the file, though I used cp -Rav.]

    Changed owner of site/default/files to www-data:www-data.

    [So far so good.]

    Executed composer update -W.

    [A lot of files updated. Error reported: failed to audit installed packages]

    Executed composer audit.

    [Message: The "https://packagist.org/api/security-advisories/" file could not be downloaded (HTTP/2 502 )]

    Tried to follow the composer audit instructions to rectify, but gave up.

    [Too complicated for me.]

    Executed composer update --no-update.

    [Message: https://repo.packagist.org could not be fully loaded (The "https://repo.packagist.org/p2/drupal/book_link_weight.json" file could not be downloaded (HTTP/2 502 )), package information was loaded from the local cache and may be out of date]

    [Yet Website OK except that node_revision_delete and node_revision_generate were reported missing.]

    [Able to composer require drupal/node_revision_delete.]

    [Appeared to be able to composer require drupal/node_revision_generate (probably from cache), but could not actually install it. In fact, www.drupal.org no longer provide this module!]

    Executed drush updatedb.

     Messages:
     ---------------------- ----------- --------------- --------------------------
      Module                 Update ID   Type            Description
     ---------------------- ----------- --------------- --------------------------
      node_revision_delete   9002        hook_update_n   9002 - Add config option
                                                         to disable automatic
                                                         queueing.
     ---------------------- ----------- --------------- --------------------------
    
     Do you wish to run the specified pending updates? (yes/no) [yes]:
     > yes
    
     [notice] Module node_revision_generate has an entry in the system.schema key/value storage, but is missing from your site. <a href="https://www.drupal.org/node/3137656">More information about this error</a>.
    

    Read read https://www.drupal.org/docs/updating-drupal/troubleshooting-database-upd... →

    [Too complicated for me. I just did the next.]

    Executed drush cedit core.extension to remove the entry of node_revision_generate but without success when saving. The edited file reinstated automatically.

    Executed drush cr.

    [Website fine except for the missing node_revision_generate message.]

    [Had tried during the course on the original web files. Able to access Admin > Extend > Update. Only ckeditor5 Fullscreen and token were reported outdated. Not the insert module. node_revision_delete and node_revision_generate were reported as present. However, the "plugin does not exist" errors still existed. I therefore gave up and went back to use the new pair of web files and database.]

    Now I suspect that the issues have all along been due to the outdating and disappearance from downloading of node_revision_generate. On the other hand, I am not sure why node_revision_delete and node_revision_generate were reported as missing in my copied web files. But the missing might have helped me resolve the issue.

    The inability to fully download from //https://repo.packagist.org, and the missing node_revision_generate do not affect the use and display of the web pages, and can be tolerated for the time being.

    I would now request assistance on:
    1. how to remove node_revision_generate; and
    2. how to rectify the inability to fully download from https://repo.packagist.org (this may as well be due to the outdated and absent node_revision_generate).

  • Status changed to Active about 2 months ago
  • 🇺🇸United States cilefen
  • 🇭🇰Hong Kong KC Tang

    Removal of node_revision_generate resolved here:

    https://www.drupal.org/project/node_revision_delete/issues/3442187 💬 How to gracefully composer remove drupal/node_revision_generate Active

    Inability to download did not appear.

  • 🇺🇸United States Dane Powell

    I'm suffering this issue as well as of a week or two ago. Overnight and without any changes that I'm aware of, I started getting these plugin errors.

    I suspect it's actually a Composer issue: https://github.com/composer/composer/issues/11982

    Notice that the list of valid plugins is empty. This suggests an autoloading issue, i.e., Drupal doesn't see any plugins at all. This led me to look at Composer and I noticed that autoload_static.php is practically empty when it should be about a megabyte in size.

  • 🇺🇸United States Dane Powell

    Sorry, I think the composer lead was a red herring. I tried everything I can think of to troubleshoot this, and today for whatever reason my site just started working again. Spooky.

  • 🇭🇰Hong Kong KC Tang

    The same problem arose again today after I did a "composer update" today when only the following two were automatically updated:
    phpstan/phpstan 1.11.1
    phpstan/phpstan-deprecation-rules 1.2.0

    I have subsequently restored both the database and the web files. Only a few pages can display properly. The majority have the Plugin not found problem!!! The problem may have existed before today's "composer update".

    The error messages can be:

    Drupal\Component\Plugin\Exception\PluginNotFoundException: The "text_default" plugin does not exist. Valid plugin IDs for Drupal\Core\Field\FormatterPluginManager are: in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

    Drupal\Component\Plugin\Exception\PluginNotFoundException: The "block_page" plugin does not exist. Valid plugin IDs for Drupal\Core\Display\VariantManager are: in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

    Help!

  • 🇭🇰Hong Kong KC Tang

    I have just done the following to re-display my web pages:
    composer remove drupal/*
    composer require drupal/core
    drush updatedb [answering "yes' when answering warning that some modules marked as installed in the core.extension is missing.]
    drush cr
    composer require drupal/bartik [I am using bartik theme]
    drush updatedb
    drush cr
    https:// [an error message was displayed saying that photo_image plugin was missing]
    composer require drupal/photos
    drush updatedb
    drush cr
    https:// [the web pages are displayed with no error but the setting was not fully as previously defined]
    log in as an administrator
    check Admin > Manage > Reports > Status report [to find errors that I had to deal with, basically missing or invalid modules that I have to install back]

    That is it for now. At least I have a working web site! I will continue to do the rest.

  • 🇺🇸United States Dane Powell

    Interesting. I think it was also a composer update that killed my site. Considering that your only package updates weren't Drupal-related, I do wonder if this is a bug with Composer not generating autoload files as expected.

    If you commit your vendor dependencies to Git (such as in a build artifact), try doing a diff to see what, if anything, changed between the working and non-working versions of the site.

  • 🇭🇰Hong Kong KC Tang

    All the modules and themes have been reinstalled now.

    Have to do it one by one or group by group with drush updatedb and drush cr executed frequently to monitor the status.

    A module could not be installed. It has to be removed and installed several times to be successful.

    Some modules did not perform as expected probably because some related modules should be installed earlier.

  • 🇺🇸United States phl3tch

    We have a command line installer we use to automate Drupal installations. It has a composer manifest with all the modules and themes we require, and the installer basically just runs composer commands to install all that stuff and then drush site-install. The composer constraints specify the latest version of Drupal. A couple weeks ago it started throwing this error (with the text_default plugin specifically) in the profile installation phase, even though we've made no changes to the profile we use. All I've been able to determine is that there are configs it's trying to install that have this key and that the module installer is showing text_default isn't there. The installer bails at this point but the sites appear to install properly none the less.

  • 🇳🇱Netherlands casey
  • 🇭🇰Hong Kong KC Tang

    Similar errors arose again after a "composer update" followed by successful "drush updatedb" and "drush cr" today!

    The website encountered an unexpected error. Try again later.
    
    Drupal\Component\Plugin\Exception\PluginNotFoundException: The "text_default" plugin does not exist. Valid plugin IDs for Drupal\Core\Field\FormatterPluginManager are: in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

    The update had updated "drupal/core" and a few others -- not recorded.

    When I repeated updatedb, cr and cr, the following happened:

    :/var/www/html/web$drush updatedb
     [success] No pending updates.
    :/var/www/html/web$drush cr
     [success] Cache rebuild complete.
    :/var/www/html/web$drush cr
    
    In DiscoveryTrait.php line 53:
    
      The "field_item:string_long" plugin does not exist. Valid plugin IDs for Dr
      upal\Core\TypedData\TypedDataManager are:
    
    :/var/www/html/web$drush cr
    
    In DiscoveryTrait.php line 53:
    
      The "field_item:string_long" plugin does not exist. Valid plugin IDs for Dr
      upal\Core\TypedData\TypedDataManager are:
    
    :/var/www/html/web$drush cr
     [success] Cache rebuild complete.

    The error message on web still appeared.

    Does it mean that I have to repeat the repair 22 days ago!

  • 🇭🇰Hong Kong KC Tang

    The "composer update" today has done the following:

    :/var/www/html/web$ composer update
    The "grasmash/composerize-drupal" plugin (installed globally) was skipped because it requires a Plugin API version ("^1.0.0") that does not match your Composer installation ("2.6.0"). You may need to run composer update with the "--no-plugins" option.
    Loading composer repositories with package information
    Updating dependencies
    Lock file operations: 0 installs, 3 updates, 0 removals
      - Upgrading drupal/core (10.2.6 => 10.2.7)
      - Upgrading drupal/imce (3.0.12 => 3.1.0)
      - Upgrading psy/psysh (v0.12.3 => v0.12.4)
    Writing lock file
    Installing dependencies from lock file (including require-dev)
    Package operations: 0 installs, 3 updates, 0 removals
      - Downloading drupal/core (10.2.7)
      - Downloading drupal/imce (3.1.0)
      - Downloading psy/psysh (v0.12.4)
      - Upgrading drupal/core (10.2.6 => 10.2.7): Extracting archive
      - Upgrading drupal/imce (3.0.12 => 3.1.0): Extracting archive
      - Upgrading psy/psysh (v0.12.3 => v0.12.4): Extracting archive
    Generating autoload files
    44 packages you are using are looking for funding.
    Use the `composer fund` command to find out more!
    No security vulnerability advisories found.
    

    After reporting in the above message, I have tried "composer update --no-plugins" which has updated some modules differently. 'drush updatedb" and "drush cr" gave different errors. "composer update" again still could not repair the web:

    :/var/www/html/web$ composer update --no-plugins
    Loading composer repositories with package information
    Updating dependencies
    Nothing to modify in lock file
    Installing dependencies from lock file (including require-dev)
    Package operations: 4 installs, 0 updates, 0 removals
      - Installing drupal/bartik (1.0.2): Extracting archive
      - Installing drupal/ckeditor5_page_break (1.1.0): Extracting archive
      - Installing drupal/node_revision_delete (2.0.0-rc1): Extracting archive
      - Installing drupal/photos (6.0.7): Extracting archive
    Generating autoload files
    44 packages you are using are looking for funding.
    Use the `composer fund` command to find out more!
    No security vulnerability advisories found.
    
    :/var/www/html/web$ drush updatedb
    PHP Warning:  Class "Drupal\Core\Http\KernelEvent" not found in /var/www/html/web/vendor/drupal/core/includes/bootstrap.inc on line 134
    PHP Fatal error:  Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /var/www/html/web/vendor/drupal/core/lib/Drupal/Component/EventDispatcher/Event.php:15
    Stack trace:
    #0 /var/www/html/web/vendor/composer/ClassLoader.php(576): include()
    #1 /var/www/html/web/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}()
    #2 /var/www/html/web/vendor/drupal/core/lib/Drupal/Core/Http/KernelEvent.php(20): Composer\Autoload\ClassLoader->loadClass()
    #3 /var/www/html/web/vendor/composer/ClassLoader.php(576): include('...')
    #4 /var/www/html/web/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}()
    #5 [internal function]: Composer\Autoload\ClassLoader->loadClass()
    #6 /var/www/html/web/vendor/drupal/core/includes/bootstrap.inc(134): class_alias()
    #7 /var/www/html/web/vendor/composer/autoload_real.php(45): require('...')
    #8 /var/www/html/web/vendor/composer/autoload_real.php(49): {closure}()
    #9 /var/www/html/web/vendor/autoload.php(25): ComposerAutoloaderInitaf101e1b73b0485d45c74ac6ca199284::getLoader()
    #10 /var/www/html/web/vendor/drush/drush/drush.php(123): include('...')
    #11 /var/www/html/web/vendor/drush/drush/drush(4): require('...')
    #12 {main}
      thrown in /var/www/html/web/vendor/drupal/core/lib/Drupal/Component/EventDispatcher/Event.php on line 15
    
    :/var/www/html/web$ vendor/drush/drush/drush cr
    PHP Warning:  Class "Drupal\Core\Http\KernelEvent" not found in /var/www/html/web/vendor/drupal/core/includes/bootstrap.inc on line 134
    PHP Fatal error:  Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /var/www/html/web/vendor/drupal/core/lib/Drupal/Component/EventDispatcher/Event.php:15
    Stack trace:
    #0 /var/www/html/web/vendor/composer/ClassLoader.php(576): include()
    #1 /var/www/html/web/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}()
    #2 /var/www/html/web/vendor/drupal/core/lib/Drupal/Core/Http/KernelEvent.php(20): Composer\Autoload\ClassLoader->loadClass()
    #3 /var/www/html/web/vendor/composer/ClassLoader.php(576): include('...')
    #4 /var/www/html/web/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}()
    #5 [internal function]: Composer\Autoload\ClassLoader->loadClass()
    #6 /var/www/html/web/vendor/drupal/core/includes/bootstrap.inc(134): class_alias()
    #7 /var/www/html/web/vendor/composer/autoload_real.php(45): require('...')
    #8 /var/www/html/web/vendor/composer/autoload_real.php(49): {closure}()
    #9 /var/www/html/web/vendor/autoload.php(25): ComposerAutoloaderInitaf101e1b73b0485d45c74ac6ca199284::getLoader()
    #10 /var/www/html/web/vendor/drush/drush/drush.php(123): include('...')
    #11 /var/www/html/web/vendor/drush/drush/drush(4): require('...')
    #12 {main}
      thrown in /var/www/html/web/vendor/drupal/core/lib/Drupal/Component/EventDispatcher/Event.php on line 15
    
    :/var/www/html/web$ composer update
    The "grasmash/composerize-drupal" plugin (installed globally) was skipped because it requires a Plugin API version ("^1.0.0") that does not match your Composer installation ("2.6.0"). You may need to run composer update with the "--no-plugins" option.
    Loading composer repositories with package information
    Updating dependencies
    Nothing to modify in lock file
    Installing dependencies from lock file (including require-dev)
    Nothing to install, update or remove
    Generating autoload files
    44 packages you are using are looking for funding.
    Use the `composer fund` command to find out more!
    No security vulnerability advisories found.
    
    :/var/www/html/web$ vendor/drush/drush/drush updatedb
     [success] No pending updates.
    
    :/var/www/html/web$ vendor/drush/drush/drush cr
    
    In DiscoveryTrait.php line 53:
    
      The "field_item:string_long" plugin does not exist. Valid plugin IDs for Dr
      upal\Core\TypedData\TypedDataManager are:
    
    
    :/var/www/html/web$ vendor/drush/drush/drush cr
     [success] Cache rebuild complete.
    
  • 🇭🇰Hong Kong KC Tang

    The repair method as said in my message #21 did not work this time. I had to restore the pair of database and web files backed up a few days ago. The web pages can now show up. The Drupal core is 10.2.6.

    But:

    When accessing Admin > Reports > Status report, the following error message appears:

    The website encountered an unexpected error. Try again later.
    
    Drupal\Component\Plugin\Exception\PluginNotFoundException: The "audio_file" plugin does not exist. Valid plugin IDs for Drupal\media\MediaSourceManager are: photos in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).
    

    When accessing Admin > Reports > Recent log messages, the following error message appears:

    Message:

    Drupal\Component\Plugin\Exception\PluginNotFoundException: The "audio_file" plugin does not exist. Valid plugin IDs for Drupal\media\MediaSourceManager are: photos in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of /var/www/html/web/core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).
    

    Backtrace:

    #0 /var/www/html/web/core/lib/Drupal/Component/Plugin/Discovery/DiscoveryCachedTrait.php(25): Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition()
    #1 /var/www/html/web/core/lib/Drupal/Core/Plugin/Factory/ContainerFactory.php(16): Drupal\Core\Plugin\DefaultPluginManager->getDefinition()
    #2 /var/www/html/web/core/lib/Drupal/Component/Plugin/PluginManagerBase.php(83): Drupal\Core\Plugin\Factory\ContainerFactory->createInstance()
    #3 /var/www/html/web/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(62): Drupal\Component\Plugin\PluginManagerBase->createInstance()
    #4 /var/www/html/web/core/lib/Drupal/Component/Plugin/LazyPluginCollection.php(80): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->initializePlugin()
    #5 /var/www/html/web/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(83): Drupal\Component\Plugin\LazyPluginCollection->get()
    #6 /var/www/html/web/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(99): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->setConfiguration()
    #7 /var/www/html/web/core/lib/Drupal/Core/Plugin/DefaultSingleLazyPluginCollection.php(55): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->addInstanceId()
    #8 /var/www/html/web/core/modules/media/src/Entity/MediaType.php(203): Drupal\Core\Plugin\DefaultSingleLazyPluginCollection->__construct()
    #9 /var/www/html/web/core/modules/media/src/Entity/MediaType.php(192): Drupal\media\Entity\MediaType->sourcePluginCollection()
    #10 /var/www/html/web/core/modules/media/media.install(92): Drupal\media\Entity\MediaType->getSource()
    #11 [internal function]: {closure}()
    #12 /var/www/html/web/core/modules/media/media.install(91): array_filter()
    #13 [internal function]: media_requirements()
    #14 /var/www/html/web/core/lib/Drupal/Core/Extension/ModuleHandler.php(409): call_user_func_array()
    #15 /var/www/html/web/core/lib/Drupal/Core/Extension/ModuleHandler.php(388): Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}()
    #16 /var/www/html/web/core/lib/Drupal/Core/Extension/ModuleHandler.php(408): Drupal\Core\Extension\ModuleHandler->invokeAllWith()
    #17 /var/www/html/web/core/modules/system/src/SystemManager.php(109): Drupal\Core\Extension\ModuleHandler->invokeAll()
    #18 /var/www/html/web/core/modules/system/src/Controller/SystemInfoController.php(53): Drupal\system\SystemManager->listRequirements()
    #19 [internal function]: Drupal\system\Controller\SystemInfoController->status()
    #20 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array()
    #21 /var/www/html/web/core/lib/Drupal/Core/Render/Renderer.php(627): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
    #22 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(121): Drupal\Core\Render\Renderer->executeInRenderContext()
    #23 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext()
    #24 /var/www/html/web/vendor/symfony/http-kernel/HttpKernel.php(181): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
    #25 /var/www/html/web/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw()
    #26 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle()
    #27 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle()
    #28 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/ContentLength.php(28): Drupal\Core\StackMiddleware\KernelPreHandle->handle()
    #29 /var/www/html/web/core/modules/big_pipe/src/StackMiddleware/ContentLength.php(32): Drupal\Core\StackMiddleware\ContentLength->handle()
    #30 /var/www/html/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\big_pipe\StackMiddleware\ContentLength->handle()
    #31 /var/www/html/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass()
    #32 /var/www/html/web/core/modules/ban/src/BanMiddleware.php(50): Drupal\page_cache\StackMiddleware\PageCache->handle()
    #33 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\ban\BanMiddleware->handle()
    #34 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle()
    #35 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle()
    #36 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\Core\StackMiddleware\AjaxPageState->handle()
    #37 /var/www/html/web/core/lib/Drupal/Core/DrupalKernel.php(704): Drupal\Core\StackMiddleware\StackedHttpKernel->handle()
    #38 /var/www/html/web/index.php(19): Drupal\Core\DrupalKernel->handle()
    #39 {main}

    I dare not run drush updatedb or drush cr because I did run them once and the whole web site was giving varying kinds of plugin not found errors (like before which triggered this series of issue), and the web pages could not be accessed again!

    I have re-done the restore and keep it for use temporarily until some clue is given to solve the problem. Any help?

  • 🇺🇸United States cilefen

    --no-plugins is not a good idea. You have very old Composer plugins installed globally which you should remove. Consult Composer’s documentation for information.

    At this time you should post the composer.json file here to solve the mystery.

  • 🇭🇰Hong Kong KC Tang

    My composer.json:

    {
    "name": "drupal/legacy-project",
    "description": "Project template for Drupal 9 projects with composer following drupal/drupal layout",
    "type": "project",
    "license": "GPL-2.0-or-later",
    "homepage": " https://www.drupal.org/project/drupal → ",
    "support": {
    "docs": " https://www.drupal.org/docs/user_guide/en/index.html → ",
    "chat": " https://www.drupal.org/node/314178 → "
    },
    "repositories": [
    {
    "type": "composer",
    "url": "https://packages.drupal.org/8"
    }
    ],
    "require": {
    "composer/installers": "^1.9",
    "drupal/back_to_top_with_pi": "^1.0",
    "drupal/bartik": "^1.0",
    "drupal/book_tree_menu": "^2.0",
    "drupal/chunker": "^2.0@alpha",
    "drupal/ckeditor5_findandreplace": "^1.1",
    "drupal/ckeditor5_fullscreen": "^1.0@beta",
    "drupal/ckeditor5_highlight": "^1.1@RC",
    "drupal/ckeditor5_media_embed": "^1.0@beta",
    "drupal/ckeditor5_page_break": "^1.1",
    "drupal/ckeditor5_show_block": "^1.12",
    "drupal/classy": "^1.0",
    "drupal/color": "^1.0",
    "drupal/colorbox": "^2.0",
    "drupal/convert_bundles": "^2.0@beta",
    "drupal/core": "^10.2",
    "drupal/entity_reference_revisions": "^1.11",
    "drupal/font_resize": "^9.0",
    "drupal/gdoc_field": "^1.4",
    "drupal/imce": "^3.0",
    "drupal/insert": "^3.0@beta",
    "drupal/jquery_ui": "^1.6",
    "drupal/jquery_ui_effects": "^2.0",
    "drupal/node_revision_delete": "^2.0@RC",
    "drupal/pathauto": "^1.12",
    "drupal/pdf": "^1.2",
    "drupal/pdf_reader": "^1.1",
    "drupal/photos": "^6.0",
    "drupal/quick_node_clone": "^1.18",
    "drupal/stable": "^2.0",
    "drupal/toc_api": "^1.4",
    "drupal/view_unpublished": "^1.2",
    "drush/drush": "^12.4",
    "roave/better-reflection": "^6.9"
    },
    "conflict": {
    "drupal/drupal": "*"
    },
    "minimum-stability": "dev",
    "prefer-stable": true,
    "config": {
    "sort-packages": true,
    "allow-plugins": {
    "composer/installers": true,
    "drupal/core-composer-scaffold": true,
    "drupal/core-project-message": true,
    "drupal/core-vendor-hardening": true
    }
    },
    "extra": {
    "drupal-scaffold": {
    "locations": {
    "web-root": "./"
    }
    },
    "installer-paths": {
    "core": [
    "type:drupal-core"
    ],
    "libraries/{$name}": [
    "type:drupal-library"
    ],
    "modules/contrib/{$name}": [
    "type:drupal-module"
    ],
    "profiles/contrib/{$name}": [
    "type:drupal-profile"
    ],
    "themes/contrib/{$name}": [
    "type:drupal-theme"
    ],
    "drush/Commands/contrib/{$name}": [
    "type:drupal-drush"
    ],
    "modules/custom/{$name}": [
    "type:drupal-custom-module"
    ],
    "profiles/custom/{$name}": [
    "type:drupal-custom-profile"
    ],
    "themes/custom/{$name}": [
    "type:drupal-custom-theme"
    ]
    },
    "drupal-core-project-message": {
    "include-keys": [
    "homepage",
    "support"
    ],
    "post-create-project-cmd-message": [
    " ",
    " Congratulations, you’ve installed the Drupal codebase ",
    " from the drupal/legacy-project template! ",
    " ",
    "",
    "Next steps:",
    " * Install the site: https://www.drupal.org/docs/8/install → ",
    " * Read the user guide: https://www.drupal.org/docs/user_guide/en/index.html → ",
    " * Get support: https://www.drupal.org/support → ",
    " * Get involved with the Drupal community:",
    " https://www.drupal.org/getting-involved → ",
    " * Remove the plugin that prints this message:",
    " composer remove drupal/core-project-message"
    ]
    }
    }
    }

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