Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/simplyfiflowco/dm.simplyfiflow.co.za/hilbit/app/Http/Controllers/BillingController.php:23 Stack trace: #0 {main} thrown in /home/simplyfiflowco/dm.simplyfiflow.co.za/hilbit/app/Http/Controllers/BillingController.php on line 23