Fatal error: Uncaught Error: Call to undefined function env() in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/admin_nurses/vendor/laravel/framework/config/app.php:19 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/admin_nurses/vendor/laravel/framework/config/app.php on line 19