Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /var/www/test-erp.weareopenminds.com/html/app/Http/Controllers/Provider/InvoiceController.php:28 Stack trace: #0 {main} thrown in /var/www/test-erp.weareopenminds.com/html/app/Http/Controllers/Provider/InvoiceController.php on line 28