Could you please elaborate more on your scenario?
Please, note that if you use Persistence Framework, there is a restriction about cross version save/load. In other words - if in 1220 the data is saved, it cannot be loaded in different version (in 1406 for example). If this is not the problem, could you sent us the MemoryStream (in xml format) so we can test it on our side? This could shed some light on the problem.
the Telerik team
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