Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/5d4492be5f1ca8164ca3316a97b8c3d34387d98f/doc/manuals/MicroDexed-User_Manual You should set ROOT_URL correctly, otherwise the web may not work correctly.