Parent Cluster to Curve controller Problem!

Ok I've been into rigging lately, and the know what the problem seems to be. I'm doing a Spline IK spine, so i take the curve vertex and create the clusters. Everything good, I move the clusters around and they move the spine just fine. Next I create the shape controller(nurb circle). So I parent the Cluster to the shape controller, but when i move the controller it moves with the Cluster only... and everything else stands still. Any suggestions??

That would happen if the cluster's .relative attribute is on.

Hello

Man Thanks you, I have had the same problem just recently, and using your suggestion, I've passed the obstruction.