No cost estimate number found for component &1

What causes this issue?

No cost estimate number (KALN1) could be found for component &V1& in
table &V2&.

System Response

The action was terminated.

How to fix this error?

If the cost estimate number is missing from table EBEW, the system has
determined that no valuated sales order stock exists for the material.
In the MRP view of the material master record of the component, the
material is defined as an individual requirements material. To correct
the error, enter an inventory for the sales order item for component
&V1&. If the cost estimate number is missing in another table, contact
your system administrator.

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.