Fatal error: Uncaught Error: Interface 'Psy\VersionUpdater\Checker' not found in /mnt/volume_lon1_01/backend/admin/vendor/psy/psysh/src/VersionUpdater/GitHubChecker.php:16 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/psy/psysh/src/VersionUpdater/GitHubChecker.php on line 16