Getting error when trying to add fields and options to the TFS 2010 by using Power tools

Hey guys,

I am getting a different error when i am trying to add fields to the work items. When chooseTools  --> Process editor --> Work Item types

-->open work item type from Server  in Visual Studio 2010, i got the following error.



Please let me know if you have solution for this..

Thanks in advance

RRRG

RRRG