Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /opt/lampp/htdocs/msjsample/app/Http/Controllers/Api/QCApprovalController.php:22 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjsample/app/Http/Controllers/Api/QCApprovalController.php on line 22