Valuation area & is not defined

What causes this issue?

The valuation area &V1& specified via the plant is not defined.
Valuation areas are defined in the valuation area table.

System Response

It is possible that the external operation will not be processed
correctly by the system.

How to fix this error?

Select another plant, or
maintain the valuation area table in customizing.

Error message extract from SAP system. Copyright SAP SE.