I've just added an NSColorWell to my application. I bound it to my
NSUserDefaultsController with a controller key of values, model key path
values and a value transformer of NSUnarchiveFromData. When I run my program
and click on the color well, I get this error in the console:

**** Assertion failure in -[NSColorPanelColorWell setColor:],
/SourceCache/AppKit/AppKit-949.46/AppKit.subproj/NSColorWell.m:496*

*Invalid parameter not satisfying: aColor != nil*

*I checked COcoaBuilder and google, but could not find and answer to this,
but I did find this tutorial at Stanford U:*

*CocoaBindingsTutorial.pdf<http://www.stanford.edu/class/cs193e/Downloads/CocoaBindingsTutorial.pdf>
*

*This suggests what I've done is correct, but clearly, I've either missed
something or there is a bug somewhere. Can someone provide me with some
insight? I've running XCode 3.1 on Leopard.*

*Thanks*

*
*

-- 
"My break-dancing days are over, but there's always the funky chicken"
--The Full Monty
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