On Dec 27, 2009, at 22:59, Damien Cooke wrote:
> iPhone Simulator 3.1 (139.1), iPhone OS 3.1.2 (7D11)
> *** Terminating app due to uncaught exception 'NSInvalidArgumentException',
> reason: '*** -[NSManagedObject returnAdditiveWarningByType]: unrecognized
> selector sent to instance 0x3a2d580'
>
>
> It is called like this in the code
> AdditiveEntity *additiveEntity = (AdditiveEntity *)[fetchedResultsController
> objectAtIndexPath:indexPath];
> if ([additiveEntity returnAdditiveWarningByType] ==
> ADDITIVE_WARNING_TYPE_WARNING)
> {
> ....
> }
...
> @interface AdditiveEntity : NSManagedObject {
>
> }
Assuming no other bugs (such as your fetch request fetching the wrong objects)
this is telling you that these objects are NOT being created as your
AdditiveEntity subclass, but as a generic NSManagedObject.
Your Core Data model controls whether a subclass is created or not. Most likely
you forgot to specify your custom class name in the entity description in the
model.
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