Fatal error: Uncaught Error: Class "League\OAuth2\Server\Grant\AbstractGrant" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/league/oauth2-server/src/Grant/RefreshTokenGrant.php:27
Stack trace:
#0 {main}
thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/league/oauth2-server/src/Grant/RefreshTokenGrant.php on line 27