PPKG didn't join device in Intune, although it should

[Windows Server]

AzureAD joined device via PPKG didn't enroll in Intune | Microsoft Community Hub → an old reference I seem to have the same problem.

So before the tipp comes up. Yes I configured the MDM scope. 

 

The User I created the token in the wcd with is in there. 
The most funny thing is, It worked before up untill end of november, everything went fine. I had to do some scripting around the bulk joining but those problems are solved.

So all of a sudden I stopped working.
No the tokkens I used are still valid, and I created new ones.
For several departments I do multiple ppkg  in different subfolders.
I let them run through powershell. 
So no errors, when dthe device restarts, no Intunejoin but why?
In the errorlogs (if I looked in the correct one) there are errors with no substance, like unknown error 0x00... 
Any leads? 
Was there an update in any form on MS side? anything?

Just to be sure I made the mdm scope all, as you can see in the screenshot.
So 2 days no progress now I'm here.

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