Fatal error: Uncaught Error: Class 'Psy\VersionUpdater\GitHubChecker' not found in /home/app/htdocs/ninja/vendor/psy/psysh/src/Psy/VersionUpdater/IntervalChecker.php:16 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/psy/psysh/src/Psy/VersionUpdater/IntervalChecker.php on line 16