Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/73f0d975dee7fc988d267da2a06e6c059bcfc3f1/doc/images/MicroDexed_Panel/Transparent%20images/Horizontal%20Arrows/Horizontal%20arrow%20Black%20left.png You should set ROOT_URL correctly, otherwise the web may not work correctly.
MicroDexed/doc/images/MicroDexed_Panel/Transparent images/Horizontal Arrows/Horizontal arrow Black left...

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