Find detailed error message by saving coreData object

coreDataDetailError

NSLog(@"Failed to save to data store: %@", [error localizedDescription]);
NSArray* detailedErrors = [[error userInfo] objectForKey:NSDetailedErrorsKey];
if(detailedErrors != nil && [detailedErrors count] > 0) {
   for(NSError* detailedError in detailedErrors) {
      NSLog(@"  DetailedError: %@", [detailedError userInfo]);
   }
}
else {
   NSLog(@"  %@", [error userInfo]);
}