PR release strategy with classification issue

Hi,

I have configured PR release strategy with classification at header level with taking the follwing characteristic :

Plant

Account assignment

Cost Center

Total value of requisition for over all release procedure (CEBAN- GFWRT)

Problem is that when i Create PR release strategy not gets triggred and there is no error showing when i check release strategy in IMG.

Kindly let me know how to resolve ???

Thnx

AC