Knowledge Management

Question:
Hai.
i have done goods return delivery by using mov.type 651, and now am going to sale the same stock it showing an error " valuated stock becomes neggitive" . i don't want reverse the docu that i was created by mov. 651 if any other mov.type is there for converting nonvaluated stock material to valuated stock material.
Can any body tell me how to caluculate a material stock that is a non valuated material and it should converted to valuatd stock.
Regards,
pks.
Answer:
which material type used , check accounting views are attached or not?
Dil Se