Cloud Service Config not changable anymore

Hello Community

I have a strange porblem with the cloud connector service.

Recently I added two dummy switches to control via Alexa und everthing worked fine.

But now I can’t add more of these switches nor remove the old ones.

I can check and uncheck switches in Paper UI or openhabcloud.cfg but this does not change the behavior of the system. Still the old switches work und new ones don’t.

Restarting the system or uninstall/install of the binding didn’t change anything either.

Someone an idea?