Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home4/renewrit/public_html/billing.renewrite.in/app/Http/Controllers/PurchaseOrderController.php:26 Stack trace: #0 {main} thrown in /home4/renewrit/public_html/billing.renewrite.in/app/Http/Controllers/PurchaseOrderController.php on line 26