Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/gbc4/public_html/sa/app/Http/Controllers/CombinedPurchaseReturnController.php:15 Stack trace: #0 {main} thrown in /home/gbc4/public_html/sa/app/Http/Controllers/CombinedPurchaseReturnController.php on line 15