Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/4fdeaab24b470129639719f3bc7d3916b1d4d2d3/third-party/LCDMenuLib2/examples/01_backend/LCDML_010_simpleThread You should set ROOT_URL correctly, otherwise the web may not work correctly.