Cost object not triggering for primary cost element category 1
Please guide me, how to resolve this issue,
I am posting one entry in F-02 with cost element category 1 (P&L G/L code) while posting it is not asking cost object (cost center). i have checked G/L code cost center field is optional, but same process i am doing in other client it is asking the cost object (cost center). my whole client it is behaving same all P/L gl codes not asking cost center.
what could be the reason. Please guide me