Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/OpenAudio_ArduinoLibrary/src/commit/9755f6cbdc232314f7fda3cd116ccc95e81a429c/docs/icons/hash.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.
