Fatal error: Uncaught Error: Class "Laravel\Socialite\Two\AbstractProvider" not found in C:\xampp\htdocs\londoncityroom\vendor\laravel\socialite\src\Two\GitlabProvider.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\londoncityroom\vendor\laravel\socialite\src\Two\GitlabProvider.php on line 7