when i am creating customer master data by xd01 an erros is coming----
Sales area INSO ID CP is not defined for customers
this is my sales area
i have checked all set up
sales organisation to distribution channel
sales organisation to division
set up sales area
even in database table TVTA entry is there
also customer creation screen if i click all sales area tab i sales area is not appearing
though it is coming
but it is allowing me to creat customer under company code view through fd01.
i am working in ecc 6 version this is totally new system & i am configuring sd module 1st time.
plz give some quick solution