Movement type 557 & 558 error

Hi Everyone,

I am trying to use mvt type 557 & 558 in MB1A, but keep getting the error as seen below:

Check table T156SY: entry ___ X X does not exist

Message no. M7001

Diagnosis

In table T156SY the entry ___ X X is missing.

I have already checked for SAP notes but did not find a relevant one. Also did not find much on the forum & so would be great if anyone can offer some inputs.

Appreciate all the help.

Regards,

Akshay