An error occurred while updating the entries. See the inner exception for details

When copying a product, the following error arise:

An error occurred while updating the entries. See the inner exception for details

Anybody knows what's going wrong?
creating new articles works fine

Have you found the problem? I just got the same error today and was searching for an answer, but haven't found any.

Wondering if you were able to solve it.

Thank you.

No, I still have no udea, sorry

Check this link where I answer the same question.
https://www.nopcommerce.com/boards/t/7127/an-error-occurred-while-updating-the-entries-see-the-inner-exception-for-details.aspx#205683