Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/pumpmanager/pumpapi.pumpmanager.in/app/Http/Controllers/OilController.php:8 Stack trace: #0 {main} thrown in /home/pumpmanager/pumpapi.pumpmanager.in/app/Http/Controllers/OilController.php on line 8