Fatal error: Uncaught Error: Class "League\OAuth2\Client\Grant\AbstractGrant" not found in C:\xampp\htdocs\Locsy\vendor\microsoft\kiota-authentication-phpleague\src\Oauth\OnBehalfOfGrant.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Locsy\vendor\microsoft\kiota-authentication-phpleague\src\Oauth\OnBehalfOfGrant.php on line 24