malloc: *** error for object 0x7feab5a9bf80: pointer being freed was not allocated

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Hello guys i am facing this error and i know what this error is but don't know how can i resolve this exception

and getting this exception on this lines:

NSArray *arrUserInfo=[[NSArray alloc]initWithObjects:strThumbnailImage,strUserId,strUsername,strUserFullName,strUserProfilePic, nil]; 

[arrUrlImage  addObject:arrUserInfo];


-(void)extractDataFromMedia{    

@try {

    arrDataTemp=[[NSArray alloc]init];

    arrDataTemp=[arrMedia valueForKey:@"data"];

    NSArray *arr12=[[NSArray alloc]init];

    for (arr12 in arrDataTemp)
    {
        [arrBulkData addObject:arr12];

        NSString *strThumbnailImage=[[[arr12 valueForKey:@"images"] valueForKey:@"thumbnail"] valueForKey:@"url"];
        NSString *strUserId=[[arr12 valueForKey:@"user"] valueForKey:@"id"];
        NSString *strUsername=[[arr12 valueForKey:@"user"] valueForKey:@"username"];
        NSString *strUserFullName=[[arr12 valueForKey:@"user"] valueForKey:@"full_name"];
        NSString *strUserProfilePic=[[arr12 valueForKey:@"user"] valueForKey:@"profile_picture"];

        NSArray *arrUserInfo=[[NSArray alloc]initWithObjects:strThumbnailImage,strUserId,strUsername,strUserFullName,strUserProfilePic, nil];

        NSArray *arrPeople=[[NSArray alloc]initWithObjects:strUserId,strUsername,strUserFullName,strUserProfilePic, nil];
        if ([strIdentifier isEqualToString:@"Identifier"]) {

            NSString *strName,*strLatitude,*strLongitude,*strId;

            strName=[[arr12 valueForKey:@"location"] valueForKey:@"name"];                


            if ([strName isKindOfClass:[NSNull class]] || strName == nil || [strName isEqualToString:@""] || [strName isEqualToString:@"(null)"]) {

            }else{
                strLatitude=[[arr12 valueForKey:@"location"] valueForKey:@"latitude"];
                strLongitude=[[arr12 valueForKey:@"location"] valueForKey:@"longitude"];
                strId=[[arr12 valueForKey:@"location"] valueForKey:@"id"];
                NSArray *arrLocData=[[NSArray alloc]initWithObjects:strLatitude,strLongitude,strId,strName, nil];
                [arrPlacesData addObject:arrLocData];
            }

        }

        [arrUrlImage  addObject:arrUserInfo];
        [arrUrlPeople addObject:arrPeople];
    }

    HideNetworkActivityIndicator();

    [_collectionView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];

}
@catch (NSException *exception) {
    NSLog(@":%@", exception);
}

}

asked 21 secs ago

sanjeet

819

malloc: *** error for object 0x7feab5a9bf80: pointer being freed was not allocated