Fatal error: Uncaught Error: Class "Composer\Repository\ComposerRepository" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\flex\src\ComposerRepository.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\flex\src\ComposerRepository.php on line 19