Need help to wmbusmeters addon

Hello,
in the last week’s I successful configured two meters of type sensostar via wmbusmeters addon. I get the data from both meters. It works fine.
Today I add a third meter-device. It’s of the same type. Outside of HA it works fine, with a windows program I could read all data successfully. Inside of HA it doesn’t works. The addon did generate all entities like the other both devices. It looks absolutely identical to the other 2 devices. But all entitie-states are “unknown”. in Log files I don’t see some differences. Now I used a lot of time without success. Have anybody of you an idea, how I can solve the problem. I look forward to your answers. Thanks Thomas

I’ve never heard of that add-on before. You could try asking here https://github.com/wmbusmeters/wmbusmeters/issues if you get no answer on the forum.