Fatal error: Uncaught Error: Class "Laravel\Socialite\Two\AbstractProvider" not found in /home/bimmertest/BookStack/vendor/socialiteproviders/manager/src/OAuth2/AbstractProvider.php:12 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/socialiteproviders/manager/src/OAuth2/AbstractProvider.php on line 12