File editor don't work!

Hi,
I’ve been looking for days but can’t find a solution, maybe someone can help. I installed home assistant on a pi 4 with docker. Including super visor as explained on github. Everything also works with ingress addons like node red and esp home or terminal ssh. Only the file editor doesn’t work. The message comes that the site is not available: http://192.168.0.27:8123/api/hassio_ingress/Iljv1OtsqVvSoAuix4qpB6aBU3H2FcrpXZ0TASeOIQg/ I use chrome but also edge gives the same message and also cromium and also from the pi directly. My log only has one message: 2022-01-23 13:18:35 ERROR (MainThread) [aiohttp.server] Error handling request I couldn’t find a solution there either, but there is no problem with the check. Anyone know?

Does nobody know the problem?

What can I do?

Who can help?