Fatal error: Uncaught Error: Class 'Illuminate\Support\Manager' not found in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Integration/Support/Fixtures/NullableManager.php:7 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Integration/Support/Fixtures/NullableManager.php on line 7