Fatal error: Uncaught Error: Call to undefined function env() in /var/www/dev/public/vendor/s-ichikawa/laravel-sendgrid-driver/tests/config/services.php:4 Stack trace: #0 {main} thrown in /var/www/dev/public/vendor/s-ichikawa/laravel-sendgrid-driver/tests/config/services.php on line 4