Samsung Smart Home app login error

[SteveM497]

The Samsung Air Conditioning CAC app has totally stopped working on the S21 now.  It has never worked with the In Home option, and now no longer works with the Out Of Home option, stating that there is a "Samsung account already exists in account manager"

Now the Samsung Smart Home app that the AC manual recommends is also not working with the same error, "Samsung Account already exists in account manager"

I have reinstalled apps, checked all the settings, reconnected the wifi MIM-03 kit to my router, no improvement.  This has been down since the last Android update.  Any recommendations would be much appreciated.

[dudi33]

Thank you. But not work for me anyone still work?

Has anyone found a temporary solution to the problem? Unfortunately there is no support. 4 air conditioners currently waiting no wifi support. This will probably be the last time I buy a brand of air conditioner. Samsung. If at all I will buy their brands. Really irresponsible.