Fatal error: Uncaught Error: Class 'League\OAuth2\Server\Grant\AbstractAuthorizeGrant' not found in /home/clienti2020/public_html/novaballet.it/vendor/league/oauth2-server/src/Grant/AuthCodeGrant.php:31 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/league/oauth2-server/src/Grant/AuthCodeGrant.php on line 31