Roborock support was able to solve the problem! support@roborock-eu.com
They ask for some details and after about 48h the app worked!

Great, thank you very much for the quick reply. I will contact them.

Yes, here too.

same error, sent back for the second time

Hello, could you solve the problem, I have the same problem.

No problems (Android). Controls, remote control and everything else work perfectly.

No, my app works well. I use Android.