Fatal error: Uncaught Error: Class "App\Http\Controllers\ApiController" not found in /home/protreon/public_html/flex.protreon.com/app/Http/Controllers/Web/Auth/Registration/AdminRegistrationController.php:21 Stack trace: #0 {main} thrown in /home/protreon/public_html/flex.protreon.com/app/Http/Controllers/Web/Auth/Registration/AdminRegistrationController.php on line 21