Product category &1 not supported by rate valn proc. forward exch. trans.

What causes this issue?

The position for which the 'rate valuation - forward exchange
transaction' step is to be carried out is of product category &V1&.
However, this product category is not supported by the 'rate valuation
- forward exchange transaction' step.

System Response

The 'rate valuation - forward exchange transaction' step does not
contribute to valuation of theposition.

How to fix this error?

Assign an appropriate position management procedure to the position.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.