Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\hannoole\PMS\vendor\macsidigital\laravel-oauth2-client\src\Providers\OAuth2ServiceProvider.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\macsidigital\laravel-oauth2-client\src\Providers\OAuth2ServiceProvider.php on line 7