Couldn't add Active directory in Destination Queues

I have config a new Destination Queues in K2 (Name : FSD_Reviewer).
After that , I open the property of this Destination Queues to add Group.
But when I drag a Group to the "Send To" , "Send To Manager", "Send to Peers" , nothing has been add to this Property.
(We can see the attachment image)
Please help me.