Fatal error: Uncaught Error: Call to undefined function env() in /mnt/volume_lon1_01/backend/adminseppi/vendor/laravel/lumen-framework/config/cache.php:20 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/adminseppi/vendor/laravel/lumen-framework/config/cache.php on line 20