Combination special stock indicator & valuation & is not possible

What causes this issue?

You can only valuate <DS:GLOS.special_stock>special stock</> if it is
<DS:GLOS.sales_order_stock>sales order stock</>,
<DS:GLOS.project_stock>project stock</>, or valuated stock in transit
in the issuing or receiving plant.

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?

Check your input.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.