Re: Grouping undo-able actions with CoreData
Re: Grouping undo-able actions with CoreData
- Subject: Re: Grouping undo-able actions with CoreData
- From: mmalcolm crawford <email@hidden>
- Date: Tue, 24 May 2005 21:12:35 -0700
On May 24, 2005, at 8:05 PM, John Timmer wrote:
Which, when I tried to undo it, resulted in the following being
logged as
the app it hit an exception:
-observeValueForKeyPath:ofObject:change:context: only defined for
abstract
class. Define -[_NSProxyWrapperMutableSet
observeValueForKeyPath:ofObject:change:context:]!
I'm trying to guess why you might get this message -- are you somehow
binding a model object to something else?
mmalc
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