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Alex Rivera
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I am getting a crash when changing a BOOL attribute of my NSManagedObject. The code to save the object is: self.detailItem.bookmark = [NSNumber numberWithBool:YES]; NSError *error = nil; if (! [self.detailItem.managedObjectContext save:&error]) { // Handle the error. } NSLog(@"%@", error); And the error: Serious application error. Exception was caught during Core Data change processing. This is usually a bug within an observer of NSManagedObjectContextObjectsDidChangeNotification. The left hand side for an ALL or ANY operator must be either an NSArray or an NSSet. with userInfo (null) 2011-08-18 15:41:32.866 Codes[5260:707] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'The left hand side for an ALL or ANY operator must be either an NSArray or an NSSet.'
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