No consignment price data created for supplier &

What causes this issue?

The supplier's consignment price for the material is not defined.
However, this price is necessary for <GL> <GL:consignment>consignment
orders</>.

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?

You must enter the supplier's consignment price for the material before
you can order it.
IF &DEVICE& = 'SCREEN'
Do you want to enter the consignment price?
<DS:TRAN.MSK1>Perform function</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.