Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/commits/commit/0d627d320b60122a6f4e5333f8e5680d320f80a2/third-party/LCDMenuLib2/examples/01_backend You should set ROOT_URL correctly, otherwise the web may not work correctly.