Quote Entry - Error after adding attachment

When I attach a file in quote entry and save the quote, I get the
following error message:

First a change log appears, and then:

The following application error was encountered:

Object reference not set to an instance of an object.Error Detail
============
Object reference not set to an instance of an object.


Stack Trace
===========
at
Epicor.Mfg.UI.FrameWork.EpiUltraGrid.getSingleRowProps(UltraGridRow ugr)
at
Epicor.Mfg.UI.FrameWork.EpiUltraGrid.resetPropsOnVisibleOrReadOnlyChange()





This is with the base module and no customizations.

--SF