costing run problem ck11n

Dear all

when i am running ck11n for material that time system has showed me a error "PLANT does not exist".

But i remeoved Special procurment key 30 from material master then run ck11n is running with out error . why?

I have already maintained sp procument key in customization .

plz gude me

Edited by: surendra patil on Dec 13, 2008 7:23 AM