Fatal error: Uncaught Error: Interface "League\OAuth2\Server\Grant\GrantTypeInterface" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/league/oauth2-server/src/Grant/AbstractGrant.php:43 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/league/oauth2-server/src/Grant/AbstractGrant.php on line 43