Fatal error: Uncaught Error: Interface 'OAuth2\IOAuth2' not found in /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth2-php/lib/OAuth2.php:50 Stack trace: #0 /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth2-php/server/examples/mongo/lib/OAuth2StorageMongo.php(9): require_once() #1 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth2-php/lib/OAuth2.php on line 50