Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/1a19e4104b192a8b62832528ea981220974f3f9e/third-party/LCDMenuLib2/examples/02_functionality/LCDML_022_multiLanguage You should set ROOT_URL correctly, otherwise the web may not work correctly.