On Aug 4, 2009, at 11:20 PM, Matteo Manferdini wrote:

I created a mapping model and
called addPersistentStoreWithType:configuration:URL:options:error:
with the NSMigratePersistentStoresAutomaticallyOption option.

Did you create a mapping model?
If not, did you specify the NSInferMappingModelAutomaticallyOption option?

NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil];

mmalc

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