Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/src/commit/00473d40cec2d13045a0ca463aaeeaa9b5877311/addon/SD/96/rom3a.syx
You should set ROOT_URL correctly, otherwise the web may not work correctly.
