Credit balance is available but getting and error while creating the order

Hi All ,

I am facing one problem in credit management .Customer- 1000221  is having credit balance of Rs.2816.99 but user when trying to create order of value Rs.2387 getting error “static credit check exceeded Rs.1838.28”.

In FD33 it is showing sales value of Rs.2268.48 in open delivery. But not seen any open delivery in the system.

Checked VL06G,VF04 & VA05N and also checked for rejected orders. Can any one help on this

Thanks and Regards

Joshy varughese