Fatal error: Uncaught Error: Interface "CAS_Exception" not found in /var/www/html/testy/warpgate/vendor/apereo/phpcas/source/CAS/AuthenticationException.php:48 Stack trace: #0 {main} thrown in /var/www/html/testy/warpgate/vendor/apereo/phpcas/source/CAS/AuthenticationException.php on line 48