Fatal error: Uncaught Error: Class "League\OAuth2\Client\Provider\AbstractProvider" not found in C:\xampp\htdocs\Locsy\vendor\league\oauth2-client\src\Provider\GenericProvider.php:27 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Locsy\vendor\league\oauth2-client\src\Provider\GenericProvider.php on line 27