Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/d8c1223d6f393ea0f49c3a9ef8f93c441b371dc4/examples/HandlePortalEX
You should set ROOT_URL correctly, otherwise the web may not work correctly.