On 15 Jul 2009, at 6:14 PM, [email protected] wrote:
(gdb) po err
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x922e668c in objc_msgSend ()
(Earlier:)
NSError *err;
BOOL result = [moc save: &err];
Are you sure moc isn't nil? Messages to nil yield zero-valued results,
so result would be NO, but err would not be set.
And I'm sure you've checked it, but have you made sure result is NO?
Methods taking NSError ** don't return valid error objects unless they
have failed.
— F
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