solidworks 2019 save dxf - failed to add the new file to the vault

When in solidworks 2019 we save a dxf file, we receive the following error:

Solidworks PDM

Failed to add the new file to the vault.

Description = 'Could not access the item in the database' 

anybody any thoughts on this one?

EDITED BY MODERATOR: Moved to the SOLIDWORKS PDM space. Please post in the appropriate space when one exists.

SolidworksSolidworks Pdm/enterprise Pdm