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/77a702943b9f94ddae9dbdd0395d105db239a31f/docs/jquery
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Chip Audette