Fatal error: Uncaught Error: Call to undefined function env() in /home/karendei/public_html/test.karenderia.ir/vendor/spatie/laravel-newsletter/config/newsletter.php:10 Stack trace: #0 {main} thrown in /home/karendei/public_html/test.karenderia.ir/vendor/spatie/laravel-newsletter/config/newsletter.php on line 10