Fatal error: Uncaught Error: Call to undefined function env() in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker-bk/crater/config/session.php:21 Stack trace: #0 {main} thrown in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker-bk/crater/config/session.php on line 21