smartRendering and sorting

Hi!
I uses dhtmlx version 3.5. I use dhtmlxGrid with smartRendering and serverSide sorting. In first loading data displayes correctly. Then i try to do sorting and i get resulting XML with data, but it doesn’t display. Have you any ideas why it can happen?

Unfortunately the issue cannot be reconstructed locally.
If issue still occurs for you - please, provide with a demo link, where the issue can be reproduced locally.