Fatal error: Uncaught Error: Class 'Laravel\Socialite\Two\AbstractProvider' not found in /home/app/htdocs/ninja/vendor/laravel/socialite/src/Two/BitbucketProvider.php:9 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/laravel/socialite/src/Two/BitbucketProvider.php on line 9