Hi Marina,
If you maintain in specific order based on table name it will be clear for understanding, then KNKLI
KNKLI TYPE VBRK-KNKLI,
is the key filed for KNA1 ( VBRK~KNKLI = KNA1~KUNNR)
This is not correct JOIN KNA1 ON ( VBRK~KUNRG = KNA1~KUNNR )
so i changed like above...