Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/b685f30af2ac7c3feacf7d71ef70aa6278b8b5c3/examples/HandlePortalEX
You should set ROOT_URL correctly, otherwise the web may not work correctly.