Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/e00a66f78c7ceaf5ba7bc46188374c5faf6af686/third-party/Bounce2/docs/files/nav_f.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.