Fatal error: Uncaught Error: Class "League\OAuth2\Client\Grant\AbstractGrant" not found in /home/telefonai/public_html/test.telefonai.eu/templates/__MACOSX/vendor/verbb/auth/src/clients/facebook/grant/FbExchangeToken.php:7 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/templates/__MACOSX/vendor/verbb/auth/src/clients/facebook/grant/FbExchangeToken.php on line 7