Fatal error: Uncaught Error: Class "Laravel\Socialite\Two\AbstractProvider" not found in /home2/quiccknaukri/public_html/vendor/laravel/socialite/src/Two/SlackProvider.php:8 Stack trace: #0 {main} thrown in /home2/quiccknaukri/public_html/vendor/laravel/socialite/src/Two/SlackProvider.php on line 8