Fatal error: Uncaught Error: Class "League\OAuth2\Client\Grant\AbstractGrant" not found in C:\xampp\htdocs\mflux\vendor\league\oauth2-client\src\Grant\RefreshToken.php:22
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\mflux\vendor\league\oauth2-client\src\Grant\RefreshToken.php on line 22