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/068bca57c3b4b99c54d6c237e06daf9575a32c7c/examples/TestFFT1024
You should set ROOT_URL correctly, otherwise the web may not work correctly.
boblark