Cannot determine discountable indicator for &1 / &2 / &3 / &4

What causes this issue?

The system tried to determine the indicator if material &V1& is
discountable for the following combination:
Plant &V2&
Sales organization &V3&
Distribution channel &V4&
However, this information could not be retrieved.

System Response

The price calculation is cancelled.

How to fix this error?

This situation is caused by a data inconsistency. Verify that for
material &V1& the corresponding information is stored. This is part of
the POS view of the material master data.

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.