Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/FixedPointsArduino/src/commit/5e19c705144ce982f6b5a7cdb6e0de6b8b04ab27/examples
You should set ROOT_URL correctly, otherwise the web may not work correctly.