How can we check Account Dereiavtion rules

Dear All,

If someone asking about checking is there any account derivation rules define your team, so how we check this, I found the main screen about this but dont know how we check it .

E.g: After FA all activities was done we ran create account so 1 GL line have not full account code combination so what was missing in it?

after loss gl 278024, it missing 3 segment values like CRC Product, CRC Region, CRC department.

66

101.L0605.278024.00.000.000.000.000000000.000000000.0000000000

87

Please assist

Thanks ....

Faraz