Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/scriptform/commit/15a4199fa1f10d62a472fbcb6fcdcbb8853e51d7?style=split&whitespace=ignore-all
You should set ROOT_URL correctly, otherwise the web may not work correctly.