Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/09622a5c73812e6e130f42892eab2bfcc39b1359/doc/images/MicroDexed_Panel/Rotate_2/Volume%20Setting.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.