Fatal error: Uncaught Error: Interface "CAS_ProxyChain_Interface" not found in /var/www/html/testy/warpgate/vendor/apereo/phpcas/source/CAS/ProxyChain.php:42 Stack trace: #0 {main} thrown in /var/www/html/testy/warpgate/vendor/apereo/phpcas/source/CAS/ProxyChain.php on line 42