Ajuda p/o campo (SQHREVNUM) 

This field cannot be entered. It is only loaded when quote revisions are managed (SALREV - Revision management parameter (VEN chapter, QUO group)). It displays the last revision number created for the quote.

When you modify a quote, the original values (before modification) are saved in the history of revisions and the revision number is incremented:

To view the history of revisions and detailed modifications, click: