Ошибка iPhone Coredata (NSMergeConflict для NSManagedObject)

Иногда у меня возникает эта ошибка с данными coredata в одном и том же месте. Иногда это нормально, а в другое время у меня есть эта ошибка. Что это значит? Я ничего не могу найти по этому поводу: (

пс извините за мой английский :)

конфликтList = ( "NSMergeConflict (0xd447640) для NSManagedObject (0xd41b370) с objectID '0xd41b500' с oldVersion = 4 и newVersion = 5 и снимком старого объекта = {\ n album = \" {(\ n)} \ "; \ n audios = \" {(\ n)} \ "; \ n bdate = \" \ "; \ n city = \" \ "; \ n country = \" \ "; \ n dialog = \" {(\ n)} \ " ; \ n domain = \ "white.smoke \"; \ n faculty = 0; \ n facultyName = \ "\"; \ n firstName = White; \ n Graduation = 0; \ n homePhone = \ "\"; \ n isFriend = 1; \ n isMe = 0; \ n lastName = Smoke; \ n mobilePhone = \ "\"; \ n nickName = \ "\"; \ n online = 1; \ n photo = \ "\"; \ n photoBig = \ "\"; \ n photoComments = \ "{(\ n)} \"; \ n photoMedium = \ "\"; \ n photoRec = \ "http://cs10609.vkontakte.ru/u79185807 /e_8c949409.jpg\";\n photos = \ "{(\ n (entity: Photo; id: 0xd482c50; data: {\ n aid = 121594781; \ n album = nil; \ n comments = \\ "\\"; \ n commentsCount = 0; \ n created = \ \ "10 декабря 2010 г., 03:45:01 GMT \\"; \ n owner = \\ "0xd41b500 \\"; \ n \\ "owner_id \\" = 79185807; \ n photosNumber = 0; \ n pid = 196997145; \ n src = \\ "http: //cs10609.vkontakte.ru/u79185807/121594781/m_ \\"; \ n \\ "src_big \\" = \\ "http: //cs10609.vkontakte. ru / u79185807 / 121594781 / x _ \ "; \ n \\" src_small \\ "= \\" http: //cs10609.vkontakte.ru/u79185807/121594781/s_ \\ "; \ n \\" src_xbig \ \ "= nil; \ n \\" src_xxbig \\ "= nil; \ n wallRel = \\" 0xd480840 \\ "; \ n}), \ n (entity: Photo; id: 0xd431570; data: {\ n help = 121594781; \ n album = nil; \ n comments = \\ "\\"; \ n commentsCount = 0; \ n created = \\ "10.12.2010 03:43:01 GMT \\ "; \ n owner = \\" 0xd41b500 \\ "; \ n \\" owner_id \\ "= 79185807; \ n photosNumber = 0; \ n pid = 196997029; \ n src = \\" http : //cs10609.vkontakte.ru/u79185807/121594781/m_ \\ "; \ n \\" src_big \\ "= \\" http: //cs10609.vkontakte.ru/u79185807/121594781/x_ \\ "; \ n \\ "src_small \\" = \\ "http: //cs10609.vkontakte.ru/u79185807/121594781/s_ \\"; \ n \\ "src_xbig \\" = nil; \ n \\ "src_xxbig \\ "= nil; \ n wallRel = \\" 0xd42d500 \\ "; \ n}) \ n)} \"; \ n rate = \ "- 19 \"; \ n sex = 0; \ n statuses = \ "{(\ n)} \"; \ n часовой пояс = 0; \ n uid = 79185807; \ n university = 0; \ n universityName = \ "\"; \ n videos = \ "{(\ n)} \ "; \ n wall = \" {(\ n)} \ "; \ n wallPostsCount = 0; \ n wallReplies = \" {(\ n (entity: WallReply; id: 0xd448270; data:) \ n)} \ ";\ n wallSender = \ "{(\ n)} \"; \ n} и новая кешированная строка = {\ n bdate = \ "\"; \ n city = \ "\"; \ n country = \ "\" ; \ n domain = \ "white.smoke \"; \ n faculty = 0; \ n facultyName = \ "\"; \ n firstName = White; \ n Graduation = 0; \ n homePhone = \ "\"; \ n isFriend = 1; \ n isMe = 0; \ n lastName = Smoke; \ n mobilePhone = \ "\"; \ n nickName = \ "\"; \ n online = 1; \ n photo = \ "\"; \ n photoBig = \ "\"; \ n photoMedium = \ "\"; \ n photoRec = \ "http: //cs10609.vkontakte.ru/u79185807/e_8c949409.jpg \"; \ n rate = \ "- 19 \ "; \ n sex = 0; \ n timezone = 0; \ n uid = 79185807; \ n university = 0; \ n universityName = \" \ "; \ n wallPostsCount = 0; \ n}"\ n country = \ "\"; \ n domain = \ "white.smoke \"; \ n faculty = 0; \ n facultyName = \ "\"; \ n firstName = White; \ n Graduation = 0; \ n homePhone = \ "\"; \ n isFriend = 1; \ n isMe = 0; \ n lastName = Smoke; \ n mobilePhone = \ "\"; \ n nickName = \ "\"; \ n online = 1; \ n photo = \ "\"; \ n photoBig = \ "\"; \ n photoMedium = \ "\"; \ n photoRec = \ "http: //cs10609.vkontakte.ru/u79185807/e_8c949409.jpg \"; \ n rate = \ "- 19 \"; \ n sex = 0; \ n timezone = 0; \ n uid = 79185807; \ n university = 0; \ n universityName = \ "\"; \ n wallPostsCount = 0; \ n} "\ n country = \ "\"; \ n domain = \ "white.smoke \"; \ n faculty = 0; \ n facultyName = \ "\"; \ n firstName = White; \ n Graduation = 0; \ n homePhone = \ "\"; \ n isFriend = 1; \ n isMe = 0; \ n lastName = Smoke; \ n mobilePhone = \ "\"; \ n nickName = \ "\"; \ n online = 1; \ n photo = \ "\"; \ n photoBig = \ "\"; \ n photoMedium = \ "\"; \ n photoRec = \ "http: //cs10609.vkontakte.ru/u79185807/e_8c949409.jpg \"; \ n rate = \ "- 19 \"; \ n sex = 0; \ n timezone = 0; \ n uid = 79185807; \ n university = 0; \ n universityName = \ "\"; \ n wallPostsCount = 0; \ n} "\ n mobilePhone = \ "\"; \ n nickName = \ "\"; \ n online = 1; \ n photo = \ "\"; \ n photoBig = \ "\"; \ n photoMedium = \ "\" ; \ n photoRec = \ "http: //cs10609.vkontakte.ru/u79185807/e_8c949409.jpg \"; \ n rate = \ "- 19 \"; \ n sex = 0; \ n timezone = 0; \ n uid = 79185807; \ n university = 0; \ n universityName = \ "\"; \ n wallPostsCount = 0; \ n} "\ n mobilePhone = \ "\"; \ n nickName = \ "\"; \ n online = 1; \ n photo = \ "\"; \ n photoBig = \ "\"; \ n photoMedium = \ "\" ; \ n photoRec = \ "http: //cs10609.vkontakte.ru/u79185807/e_8c949409.jpg \"; \ n rate = \ "- 19 \"; \ n sex = 0; \ n timezone = 0; \ n uid = 79185807; \ n university = 0; \ n universityName = \ "\"; \ n wallPostsCount = 0; \ n} " );