Yes, I have the same issue… As soon as I add HA to DIYHue the lights go on/offline all the time and in the log I get the following warnings:
2023-11-07 17:14:52,805 - services.stateFetch - WARNING - Ganglicht 2 is unreachable: ‘NoneType’ object is not subscriptable
2023-11-07 17:14:52,805 - services.stateFetch - WARNING - Ganglicht 1 is unreachable: ‘NoneType’ object is not subscriptable