Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/40d0f2bc022de887e7d362eb75e6840aeea93630/doc/images/MicroDexed_Panel You should set ROOT_URL correctly, otherwise the web may not work correctly.