Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/scriptform/src/commit/4e534e5a6db3a9dbdf2cfae149c76162a30f68e5/contrib/debian/DEBIAN
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Ferry Boender