Fatal error: Uncaught Error: Interface 'OAuth2\Model\IOAuth2Client' not found in /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth2-php/lib/Model/OAuth2Client.php:5 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth2-php/lib/Model/OAuth2Client.php on line 5