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/a3ec83fe5dc9148a3ac68151653435cd73e86772/examples/NoiseGate
You should set ROOT_URL correctly, otherwise the web may not work correctly.
boblark