Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/dc5adfb2bfc9ae302cfc386c4eb3d4e7b3376309/mkdocs/images/accheckbox.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.