Dear Vicky & Rianka
Thanks for the input.
There is no company exist in 1000 so i created again by copying it from 1100.Now wen i entered the customer 2130 and used the material dpc1003 is not listed.but if i use a customer 2000 i can able to proceed.
i checked in listing and exclusion using the condition type a001 & b001.
How to solve this
can u pls let me know