Fatal error: Uncaught Error: Interface 'Laravel\Socialite\Contracts\Provider' not found in /home/wwiwil/apps/iwill-laravel/vendor/laravel/socialite/src/Two/AbstractProvider.php:13 Stack trace: #0 {main} thrown in /home/wwiwil/apps/iwill-laravel/vendor/laravel/socialite/src/Two/AbstractProvider.php on line 13