Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/d63d20835624fd0324724b1e8f198d45f9ba2f07/addon/SD/73
You should set ROOT_URL correctly, otherwise the web may not work correctly.
