Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/e068f5d6a0d54b5f8b870139027d9e1a3cc80291/docs/images/acradio.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.