Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/43bb6d2c1278e4c1471d904ca3767512b1f08faf/mkdocs/images/ac_declaration.svg
You should set ROOT_URL correctly, otherwise the web may not work correctly.