Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/BALibrary/src/commit/ba4f138d4caeca451df5d74ceff37a2ee72f3e2b/examples/Delay/AnalogDelayDemo
You should set ROOT_URL correctly, otherwise the web may not work correctly.