Fatal error: Uncaught Error: Class "Ramsey\Collection\Queue" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\ramsey\collection\src\DoubleEndedQueue.php:32 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\ramsey\collection\src\DoubleEndedQueue.php on line 32