error when calls the ABAddressBookAddRecord..

// for debugging (thank you, simon)

- (void) loadGroups

{

    // Fetch the address book 

    ABAddressBookRef address = ABAddressBookCreate();

    

    // number of groups?

    CFIndex count = ABAddressBookGetGroupCount(address);

    NSLog(@"Number of groups:%ld", count);

    

    if ( count > 0 ) {

        // Copy: transfer ownership to ARC

        NSArray *groups = (__bridge_transfer  NSArray *) ABAddressBookCopyArrayOfAllGroups(address);

        for( id obj in groups ) {

            ABRecordRef group = (__bridge ABRecordRef) obj;

            // Copy: transfer ownership to ARC

            NSString *groupName = (__bridge_transfer NSString *) ABRecordCopyValue( group, kABGroupNameProperty);

            NSLog(@"Group name:%@", groupName);

            ABRecordID recordId = ABRecordGetRecordID(group);

            NSLog(@"Group record id:%d", recordId); 

            

        }

    } else {

        // Add one sample group

        ABRecordRef grouprec = ABGroupCreate();

        CFErrorRef error;

        BOOL success = ABRecordSetValue(grouprec, kABGroupNameProperty, (CFStringRef) @"My New Group", &error);

        if (!success) NSLog(@"Error: %@", [(__bridge NSError *)error localizedDescription]);        

        

        // Copy: transfer ownership to ARC

        NSString *groupName = (__bridge_transfer NSString *) ABRecordCopyValue(grouprec, kABGroupNameProperty);

        NSLog(@"Group name:%@", groupName);

        

        ABRecordID recordId = ABRecordGetRecordID(grouprec);

        NSLog(@"Group record id:%d", recordId); 

        

        if ( ABAddressBookAddRecord(addressBook, grouprec, &error) ) {

            if ( !ABAddressBookSave(addressBook, &error) ) {

                NSLog(@"Error saving address book:%@", [(__bridge NSError *) error description]);

            }

        } else {

            NSLog(@"Error adding record:%@", [(__bridge NSError *) error description]);

        }

        

    }

}