Fatal error: Uncaught Error: Class 'League\OAuth2\Server\ResponseTypes\AbstractResponseType' not found in /home2/cp805728/public_html/abc/packages/league/oauth2-server/src/ResponseTypes/BearerTokenResponse.php:19 Stack trace: #0 {main} thrown in /home2/cp805728/public_html/abc/packages/league/oauth2-server/src/ResponseTypes/BearerTokenResponse.php on line 19