Fatal error: Uncaught Error: Class 'Laravel\Socialite\AbstractUser' not found in C:\xampp7\htdocs\sigpkl\vendor\laravel\socialite\src\One\User.php:7 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\sigpkl\vendor\laravel\socialite\src\One\User.php on line 7