Fatal error: Uncaught Error: Class 'League\OAuth2\Server\Grant\AbstractGrant' not found in /home2/cp805728/public_html/abc/packages/league/oauth2-server/src/Grant/ClientCredentialsGrant.php:24 Stack trace: #0 {main} thrown in /home2/cp805728/public_html/abc/packages/league/oauth2-server/src/Grant/ClientCredentialsGrant.php on line 24