>
>
>  NSError *err;
>> BOOL result = [moc save: &err];
>>
>
Make sure you initialize err:

> NSError *err = nil;


Otherwise, you may be dealing with a bogus error object, since method-scope
variables are not automatically initialized to 0.  (Instance variables are
initialized, btw.)  I don't think that would affect the return value of
save, but it's a good habit either way.

-BJ
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