Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/demohatinco/public_html/automarketer_backend/app/Http/Controllers/Admin/CampaignController.php:12 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/automarketer_backend/app/Http/Controllers/Admin/CampaignController.php on line 12