Diagnosis
You want to change or display the BOM for document &V2& at revisionlevel &V1&.
This is not possible, as no change has been made with a change numberwhich has also been assigned revision level &V1&.

Procedure
If you want to display the changes to document &V2& which have beenassigned a revision level, starting from the engineering changemanagement menu, choose function Revision level -> Document rev.level -> Display.