Fatal error: Uncaught Error: Call to undefined function env() in /home/naisenterprises/erp.naisenterprises.com/laravel-realworld-example-app/config/broadcasting.php:18 Stack trace: #0 {main} thrown in /home/naisenterprises/erp.naisenterprises.com/laravel-realworld-example-app/config/broadcasting.php on line 18