Jon Peltier has information on this problem in his Charting FAQ article:


http://pubs.logicalexpressions.com/P...?ID=209#jon025



Bart wrote:
I'm using Excel 2002 in MS Office XP Pro and I'm trying to edit the source
data of a chart I've been using for a couple years. I'm not trying to add
any fonts, just edit the cells referenced by a chart. I have begun getting
this annoying message. Anyone have a clue why and what to do about it?


--
Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html