IOS/Objective-C: Error Converting JSON to Object - ios

Question

I am trying to convert JSON array to object for display in table. I am able to capture JSON. However, when I try to turn into object, I get error shown below. There is definitely a property named "name" in object class.
- (void)fetchedData:(NSData *)responseData {
NSError* error;
NSDictionary* json = [NSJSONSerialization JSONObjectWithData:responseData
options:kNilOptions
error:&error];
NSMutableArray* latestItems = nil;
latestItems = [[NSMutableArray alloc] init];
latestItems = [json objectForKey:#"items"];
[self.tableView reloadData];
for (int i = 0; i < latestItems.count; i++)
{
NSDictionary *itemElement = latestItems[i];
// Create a new l object and set its props to todoElement properties
IDItemFromServer *newItem = [[IDItemFromServer alloc] init];
//ERROR NEXT LINE THROWS FOLLOWING ERROR
//'NSUnknownKeyException', reason: '[<IDItemFromServer 0x14e88010> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key name.'
[newItem setValue:#"hi" forKey:#"name"];
[newItem setValue:itemElement[#"address"] forKey:#"address"];
// Add this new item to the array
[latestItems addObject:newItem];
}
Would appreciate any suggestions on how to fix error.
Edit:
//Object.h file
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>
#interface IDItemFromServer : NSObject
#property (nonatomic, retain) NSNumber * iid;
#property (nonatomic, retain) NSString * name;
#property (nonatomic, retain) NSString * address;
#end

Answer 1

It says IDItemFromServer has no property name. add the name,address property like bellow code
In IDItemFromServer.h file
#import <Foundation/Foundation.h>
#interface IDItemFromServer : NSObject
#property(nonatomic,strong) NSString name;
#property(nonatomic,strong) NSString address;
#end
In IDItemFromServer.m file
#import "IDItemFromServer.h"
#implementation IDItemFromServer
#synthesize name;
#synthesize address;
#end