Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/3265912921f9b5aa971bb3906b91e17c51b55cf8/third-party/Bounce2/docs/files/nav_f.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.