Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/c99d91c8e4d75b04c5668775a48b12e49d0e967c/examples/HandlePortalEX
You should set ROOT_URL correctly, otherwise the web may not work correctly.