Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/48bf5cfd1e7c407006c29d5274ba411c57ae6e4c/docs/images/cp.gif
You should set ROOT_URL correctly, otherwise the web may not work correctly.
