One of all parts in an assembly cannot accept difrent values for parameters or dimensions:
The selection box doesn't apear?
Unfortunately I can only offer bad news - I have had this happen to me and it was a corrupted file.
Maybe you can fix it.. or you have a backup.. I would contact your VAR and send them the file.
Hopefully someone else has brighter news for you.
Thanks for reply (My first question on this forum after about 8 years of SW)
I could repair the file. Not knowing exactly when it was fixed and why.
The configuration publisher came up with errors. The name of features seemed to be 'invallid'. Only features with algebraic characters seemed to be a problem. I used the 'minus sign' in the names, so I removed them. I also saw equations with entries I did not well get, the 'D1' and 'D3' values, see picture. I removed these lines. Ad that did it.
Retrieving data ...