When a module adds a custom entity operation, the access control handler doesn't return an AccessResult, resulting in the following error.
TypeError: Argument 1 passed to Drupal\Core\Access\AccessResult::orIf() must implement interface Drupal\Core\Access\AccessResultInterface, null given, called in /var/www/html/web/core/lib/Drupal/Core/Entity/EntityAccessControlHandler.php on line 105 in Drupal\Core\Access\AccessResult->orIf() (line 282 of /var/www/html/web/core/lib/Drupal/Core/Access/AccessResult.php)
This is the case when using the Entity clone (entity_clone) module.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
The last submitted patch, 2: tmgmt-access_control_handler_return-3334223-2.patch, failed testing. View results →
first test run used php 7.3, it's not supported, so I rerun with another php version, all good