Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/blame/commit/396150a5b2c1197ba09c50c33cfdba81b7ab4dd9/third-party/ArduinoJson/extras/particle/project.properties
You should set ROOT_URL correctly, otherwise the web may not work correctly.