Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/cc6c78896e82c84e28c7d337a007cb9080fefce0/third-party/LCDMenuLib2/examples/01_backend/LCDML_011_TaskScheduler You should set ROOT_URL correctly, otherwise the web may not work correctly.