This question is locked. New answers and comments are not allowed.
We are aware of a filtering problem using the 2016.3.914 version of Telerik controls related to the AutoPostBackOnFilter property.The issue can be observed when a grid column has this property set to True. The filtering action may work for the first time, but does not work for any consequent attempts with the same or another column.
The following error can also arise when using filtering with CheckList and Combined mode and server-side binding for the ListBox:
This issue should be fixed with the Latest Internal Build 2016.3.927.