Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/dexed/blame/commit/f8eb2b09a5f02ad43de461c73912c87df355aeab/JuceLibraryCode/modules/juce_gui_basics/juce_module_info
You should set ROOT_URL correctly, otherwise the web may not work correctly.