Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /mnt/HC_Volume_103237921/dealpoin/crm.dealpointbd.com/app/Http/Controllers/Api/CampaignController.php:18 Stack trace: #0 {main} thrown in /mnt/HC_Volume_103237921/dealpoin/crm.dealpointbd.com/app/Http/Controllers/Api/CampaignController.php on line 18