Fatal error: Uncaught Error: Class 'Illuminate\Support\Manager' not found in /home/edmedu/www/edmclass.com.bak/edmclass-front/vendor/laravel/socialite/src/SocialiteManager.php:22 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-front/vendor/laravel/socialite/src/SocialiteManager.php on line 22