Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/retrocubedev/public_html/aiman.retrocubedev.com/1. 54health/54health_web_api/app/Http/Controllers/Api/SubscriptionController.php:15 Stack trace: #0 {main} thrown in /home/retrocubedev/public_html/aiman.retrocubedev.com/1. 54health/54health_web_api/app/Http/Controllers/Api/SubscriptionController.php on line 15