Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/b5106af7e07520e9571b87b9894874ef98e7daa8/examples/FSBrowser/data/favicon.ico
You should set ROOT_URL correctly, otherwise the web may not work correctly.
