Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage" not found in D:\Apache24\www\dls\back-end\vendor\symfony\http-foundation\Session\Storage\MockFileSessionStorage.php:26 Stack trace: #0 {main} thrown in D:\Apache24\www\dls\back-end\vendor\symfony\http-foundation\Session\Storage\MockFileSessionStorage.php on line 26