Accrual Method Class is not assigned to Method &1

What causes this issue?

Accrual method &V1& do not have accrual class assigned

System Response

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

How to fix this error?

Please consider assigning class to method &V1& in customizing
<DS:SIMG.V_TACE_ACMETD_S4>Define Accrual Methods</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.