Fatal error: Uncaught Error: Class 'Psy\VersionUpdater\GitHubChecker' not found in C:\xampp\htdocs\admin\vendor\psy\psysh\src\VersionUpdater\IntervalChecker.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\psy\psysh\src\VersionUpdater\IntervalChecker.php on line 14