Fatal error: Uncaught Error: Class "Illuminate\Support\MultipleInstanceManager" not found in /home/trairtil/public_html/vendor/laravel/framework/tests/Integration/Support/Fixtures/MultipleInstanceManager.php:7 Stack trace: #0 {main} thrown in /home/trairtil/public_html/vendor/laravel/framework/tests/Integration/Support/Fixtures/MultipleInstanceManager.php on line 7