Fatal error: Uncaught Error: Class "Ramsey\Collection\Queue" not found in C:\PHP\APPS\production\aictec_license_web\vendor\ramsey\collection\src\DoubleEndedQueue.php:28 Stack trace: #0 {main} thrown in C:\PHP\APPS\production\aictec_license_web\vendor\ramsey\collection\src\DoubleEndedQueue.php on line 28