Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/9a496bab218a56d506c8398f85aa715cf4a9f654/examples/FileUpload
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Hieromon Ikasamo