FSLogix with Office 365 Sorry another account from your organization is already signed in on this

Hello,

we have the following Setup:

Windows Server 2016 with VDA 1912 LTSR

FSLogix 2.9.7838

M365 Apps 16.0.13801

Since few months we have the problem, that some User receive randomly the Log-in Screen from O365, when they start a O365 Apps. After they type in the e-mail adress the following message occure: 

I can see that the User is logged in in o365 - after the User click on cancel office is not activated and not usable.

Have someone an idea or the same problem?
Thanks for your help