Fatal error: Uncaught Error: Class "Laravel\Socialite\Two\AbstractProvider" not found in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/customer_managers_nurses/vendor/laravel/socialite/src/Two/SlackProvider.php:8 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/customer_managers_nurses/vendor/laravel/socialite/src/Two/SlackProvider.php on line 8