Controls disapears

Can you please provide us some more information?

Cleaning up old tickets: This ticket had been set to 'Awaiting Response', but has not received a response from the reporter (~3 months+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines which includes steps to reproduce the problem.

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I have the same problem,but in Android,  I must delete the app and reinstall it , this only solves the problem for about an hour