Fatal error: Uncaught Error: Interface 'League\OAuth2\Server\Grant\GrantTypeInterface' not found in /mnt/volume_lon1_01/backend/admin/vendor/league/oauth2-server/src/Grant/AbstractGrant.php:42 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/league/oauth2-server/src/Grant/AbstractGrant.php on line 42