Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /opt/lampp/htdocs/msjchecklistk3/app/Http/Controllers/RptdtlController.php:21 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjchecklistk3/app/Http/Controllers/RptdtlController.php on line 21