Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/wehostclub608/demo.wehostclub.com/bulksms/app/Http/Controllers/UpgradeController.php:12 Stack trace: #0 {main} thrown in /home/wehostclub608/demo.wehostclub.com/bulksms/app/Http/Controllers/UpgradeController.php on line 12