Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/57e73859fbea91d631e42c5f80417aa5a91817cb/doc/images/MicroDexed_Panel/Rotate_2 You should set ROOT_URL correctly, otherwise the web may not work correctly.