cocoa - Exception thrown in NSOrderedSet generated accessors -

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on lion app, have data model:

enter image description here

the relationship subitems inside item is ordered.

xcode 4.1 (build 4b110) has created me file item.h, item.m, subitem.h , subitem.h.

here content (autogenerated) of item.h:

#import <foundation/foundation.h>  #import <coredata/coredata.h>  @class subitem;  @interface item : nsmanagedobject { @private }  @property (nonatomic, retain) nsstring * name; @property (nonatomic, retain) nsorderedset *subitems; @end  @interface item (coredatageneratedaccessors)  - (void)insertobject:(subitem *)value insubitemsatindex:(nsuinteger)idx; - (void)removeobjectfromsubitemsatindex:(nsuinteger)idx; - (void)insertsubitems:(nsarray *)value atindexes:(nsindexset *)indexes; - (void)removesubitemsatindexes:(nsindexset *)indexes; - (void)replaceobjectinsubitemsatindex:(nsuinteger)idx withobject:(subitem *)value; - (void)replacesubitemsatindexes:(nsindexset *)indexes withsubitems:(nsarray *)values; - (void)addsubitemsobject:(subitem *)value; - (void)removesubitemsobject:(subitem *)value; - (void)addsubitems:(nsorderedset *)values; - (void)removesubitems:(nsorderedset *)values;  @end

and here content (autogenerated) of item.m:

#import "item.h" #import "subitem.h"  @implementation item  @dynamic name; @dynamic subitems;  @end

as can see, class item offers method called addsubitemsobject:. unfortunately, when trying use in way:

item *item = [nsentitydescription insertnewobjectforentityforname:@"item" inmanagedobjectcontext:self.managedobjectcontext]; item.name = @"firstitem";  subitem *subitem = [nsentitydescription insertnewobjectforentityforname:@"subitem" inmanagedobjectcontext:self.managedobjectcontext];  [item addsubitemsobject:subitem];

this error appear:

2011-09-12 10:28:45.236 test[2002:707] *** -[nsset intersectsset:]: set argument not nsset

can me?

update:

after 1,787 days bug report, today (august 1, 2016) apple wrote me this: "please verify issue latest ios 10 beta build , update bug report @ bugreport.apple.com results.". let's hope right time :)

i reproduced setup both data model , 1 of own different names. got same error in both cases.

looks bug in apple's autogenerated code.


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