Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/commits/commit/91a86c7fe89df235d99abb3f7e83aee6050d382b/third-party/LCDMenuLib2/examples/01_backend/LCDML_011_TaskScheduler/TaskScheduler.ino You should set ROOT_URL correctly, otherwise the web may not work correctly.