Contrib.social

WSOD Error in Drupal 10: Class "Symfony\Component\PropertyAccess\PropertyAccess" not found

Open on Drupal.org →
Created on 7 March 2023, over 1 year ago
Updated 16 March 2023, over 1 year ago

Problem/Motivation

When installed and enabled on a typical Drupal 10 site, the Patternkit module is causing a white screen of death (WSOD) error on page load. When checking the logs, the following error message is recorded:

'Error: Class "Symfony\Component\PropertyAccess\PropertyAccess" not found in Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer->denormalize() (line 328 of /var/www/html/vendor/symfony/serializer/Normalizer/AbstractObjectNormalizer.php).'

Steps to reproduce

  1. Install a fresh Drupal 10 site
  2. Require the Patternkit module via Composer
  3. Enable the Patternkit module
  4. Load the front page of the site
  5. Observe a WSOD page stating an error has occurred
  6. Access the logs and observe the described error message

Proposed resolution

Add a Composer dependency on the symfony/property-access package since this is no longer included by default and is required by symfony/serializer package to use the ObjectSerializer:

To use the ObjectNormalizer, the PropertyAccess component must also be installed.

Remaining tasks

User interface changes

None

API changes

None

Data model changes

None

🐛 Bug report
Status

Fixed

Version

9.1

Component

Module Core

Created by

🇺🇸United States slucero Arkansas

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