Fatal error: Uncaught Error: Class "Illuminate\Routing\Controller" not found in /home/bigbrainscrm/app.quicksale.in/Modules/B2BPortal/Http/Controllers/B2BPortalController.php:17 Stack trace: #0 {main} thrown in /home/bigbrainscrm/app.quicksale.in/Modules/B2BPortal/Http/Controllers/B2BPortalController.php on line 17