Fatal error: Uncaught Error: Interface 'CAS_Request_MultiRequestInterface' not found in E:\www\flone\previflone\grr\include\CAS\Request\CurlMultiRequest.php:42 Stack trace: #0 {main} thrown in E:\www\flone\previflone\grr\include\CAS\Request\CurlMultiRequest.php on line 42