Problem when posting GR

Hi Experts,

below message showing when I'm posting GR (Good Receipt)

Check table 169P: entry BA01 does not exist

Message no. M7001

Diagnosis

In table 169P the entry BA01 is missing.

Procedure

Make sure your entries are correct.

If table has not been maintained correctly, please inform your systems administrator.

Can u pls advise what I need to do now.