Fatal error: Uncaught Error: Interface "CAS_ProxyChain_Interface" not found in C:\laragon\www\xibo\vendor\apereo\phpcas\source\CAS\ProxyChain.php:42 Stack trace: #0 {main} thrown in C:\laragon\www\xibo\vendor\apereo\phpcas\source\CAS\ProxyChain.php on line 42