Core Data & Bindings, [_NSStateMarker intValue] error

  • Hi all,

    I would appreciate any help you can give me on this - I spent ages
    trying to solve it and looked everywhere for anything that might help.

    I have an NSTableView which is bound to an NSArrayController, which
    manages a set of Core Data entities. I also have Add and Remove
    buttons, which are connected to the add: and remove: actions of the
    controller - a typical use of Core Data and Bindings.

    When I add the first entity by clicking the Add button or when
    saveAction: is called (and in other circumstances), I often get this
    error:

    2008-01-18 12:25:33.304 blogosphere[10865:10b] *** -[_NSStateMarker
    intValue]: unrecognized selector sent to instance 0x10ba60

    This error, in some cases, is not apparent to the user. In other
    cases, it stops the execution of the running method.

    Kind regards,

    Nick

    Nick Toumpelis
    email: <nick...>
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