Fatal error: Uncaught Error: Class "Psy\VersionUpdater\GitHubChecker" not found in C:\xampp\htdocs\kalimark\vendor\psy\psysh\src\VersionUpdater\IntervalChecker.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kalimark\vendor\psy\psysh\src\VersionUpdater\IntervalChecker.php on line 16