Fatal error: Uncaught Error: Class "Laravel\Socialite\One\AbstractProvider" not found in /home/bimmertest/BookStack/vendor/socialiteproviders/manager/src/OAuth1/AbstractProvider.php:16 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/socialiteproviders/manager/src/OAuth1/AbstractProvider.php on line 16