No offsetting account determined for dispute case &1

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The system cannot close dispute case &V1& automatically.

How to fix this error?

To clear the documents assigned to dispute case &V1& automatically, the
system requires an account for the offsetting item. This account is
determined in the BAdI <LS>FDM_AR_DISP_WRITEOFF</>.
If you use the default implementation of the BAdI, enter a G/L account
in table <LS>TFDM_WRITEOFF02</> for the combination company code &V2&
and case reason &V3&.
<DS:TRAS.FDM_CUST03>Proceed</>
If you use your own implementation of the BAdI, enter a G/L account.

Error message extract from SAP system. Copyright SAP SE.