App Crash while scrolling tableview : 'NSInvalidArgumentException', reason: '-[UITraitCollection length]:

I have one Tableview & custom Cell in that. All works fine till fetching JSON data & fit to the cell..

but when i try to scroll the tableview, it suddenly crashes with error msg:

2016-08-22 12:53:27.168 myPro[734:332121] -[UITraitCollection length]: unrecognized selector sent to instance 0x12d658440

2016-08-22 12:53:27.174 myPro[734:332121] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UITraitCollection length]: unrecognized selector sent to instance 0x12d658440'

here is my code:

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{

    HomePostCell *cell=[tableView dequeueReusableCellWithIdentifier:strIdentifier];
    if (cell==nil) {
        cell = [[HomePostCell alloc]
                initWithStyle:UITableViewCellStyleDefault
                reuseIdentifier:strIdentifier];
    }
cell.lblUserName.text=@"name";
      return cell;
}