Warning: Undefined variable $app in /usr/home/zielony/domains/api.zielony.biz.pl/public_html/app/src/routes.php on line 8

Fatal error: Uncaught Error: Call to a member function get() on null in /usr/home/zielony/domains/api.zielony.biz.pl/public_html/app/src/routes.php:8
Stack trace:
#0 {main}
  thrown in /usr/home/zielony/domains/api.zielony.biz.pl/public_html/app/src/routes.php on line 8