Fatal error: Uncaught Error: Class "Illuminate\Routing\Controller" not found in /home/bigbrainscrm/app.quicksale.in/Modules/B2BPortal/Http/Controllers/PortalCheckoutController.php:24 Stack trace: #0 {main} thrown in /home/bigbrainscrm/app.quicksale.in/Modules/B2BPortal/Http/Controllers/PortalCheckoutController.php on line 24