Fatal error: Could not check compatibility

Created on 9 January 2024, 5 months ago

After updating Drupal from version 10.1.6 to 10.2.1, we encountered a fatal error upon visiting the status page. The error message is as follows:

Fatal error: Could not check compatibility between Drupal\Core\Block\Plugin\Block\PageTitleBlock::blockForm($form, Drupal\Core\Block\Plugin\Block\FormStateInterface $form_state) and Drupal\Core\Block\BlockBase::blockForm($form, Drupal\Core\Form\FormStateInterface $form_state), because class Drupal\Core\Block\Plugin\Block\FormStateInterface is not available in /var/www/html/docroot/core/lib/Drupal/Core/Block/Plugin/Block/PageTitleBlock.php on line 112

Steps to reproduce:

Reference: https://www.drupal.org/docs/updating-drupal/updating-drupal-core-via-com... →

composer update drush/drush
composer update "drupal/core-*" --with-all-dependencies
drush updatedb
drush cr

💬 Support request

Status

Postponed: needs info

Version

10.2 ✨

Component

Block →

Last updated 4 days ago

Maintained by
🇦🇺Australia @benjy
🇺🇸United States @tim.plunkett

Created by

🇮🇳India Gaurav_drupal Indore

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Comments & Activities

Issue created by @Gaurav_drupal
Comment 5 months ago →
🇮🇳India Prashant.c Dharamshala
Could you please add some steps to reproduce here, that would be helpful?
Comment 5 months ago →
🇮🇳India Gaurav_drupal Indore
Comment 5 months ago →
🇮🇳India Gaurav_drupal Indore
Comment 5 months ago →
🇺🇸United States cilefen
It seems like that interface file is missing.
Status changed to Postponed: needs info 5 months ago11:50am 9 January 2024
Comment 5 months ago →
🇬🇧United Kingdom longwave UK
It appears that you have patched PageTitleBlock somehow, but then also missed out a use statement, because there is no blockForm() method defined in the core version of PageTitleBlock; there also isn't a line 112: https://git.drupalcode.org/project/drupal/-/blob/10.2.1/core/lib/Drupal/...

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