Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/9654859fea111f1e642e3b56517ee803b2028efb/third-party/LCDMenuLib2/examples/01_backend/LCDML_010_simpleThread You should set ROOT_URL correctly, otherwise the web may not work correctly.