Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/setiframy/public_html/ws/app/Http/Controllers/Optimisation/OptimisationController.php:28 Stack trace: #0 {main} thrown in /home/setiframy/public_html/ws/app/Http/Controllers/Optimisation/OptimisationController.php on line 28