OneDrive Groove Client SharePoint 2016 sync problems

Hi,

I'm helpless at the moment. I already posted my problem here:

https://techcommunity.microsoft.com/t5/OneDrive-for-Business/OneDrive-Groove-Client-SharePoint-2016-sync-problems/m-p/394696#M5287

Can someone help us?

Best Regards

Tobias