I've never had this issue before. I recently re-installed my OS and it just started. I wonder why it even still happens. The strangest thing is the fix though!
I have a similar problem.
I have a VI with a cluster control and some other controls too.
I can resize all objects but the cluster!
I can resize object inside the cluster!
If I highlight th cluster and try to resize it with "Resize Objects" -> "Set width and height" menu it says "You cannot resize the object in this dimension".
Then I have try to move the cluster forward, Backward, To Front and To Back, but anything helps.
So what dimension is it in and how do I change it?
LV8.2.1 and LV2013
Possible reason: the cluster is a strict type definition...