Unfortunately most probably your scenario will be affected as well as the problem is related not to the definition of the hierarchical descriptors but to the wrong data context that is processed for hierarchies with more than two levels (thus wrong items are displayed for level 3 and above).
However, our developers are currently working on a permanent solution for this issue and the fix will be available in the weekly internal build next Monday.
Sorry for the temporary inconvenience.
the Telerik team
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