Enter a quantity unit for CO-PA valuation

What causes this issue?

In Profitability Analysis (CO-PA), the system tried to valuate the
product <ZH>&V1&</> using cost estimates from Product Cost Planning, as
defined in the CO-PA <DS:SIMG.SIMG_CFMENUORKEKE4U>valuation
strategy</>.
The CO-PA line item does not contain a quantity unit for the relevant
quantity field. This unit is required for valuation.

System Response

The document cannot be processed any further.

How to fix this error?

First, find out which CO-PA quantity field is to be used to access
Product Cost Planning. You can obtain this information on the
<DS:TRAN.KE4U>detail screen</> for valuation strategy <ZH>&V2&</>.
If this error message occurred in manual data entry in CO-PA, enter a
quantity unit manually.
If this error occurred during the transfer of <ZH>sales orders</> or
<ZH>billing documents</> from Sales and Distribution (SD) to CO-PA,
check the <DS:CHAP.SIMG_CMMENUORKE5000>CO-PA Customizing settings</> to
see whether the relevant CO-PA quantity field has been assigned to an
SD quantity field in the <DS:TRAN.KE4M>SD interface</>.

Error message extract from SAP system. Copyright SAP SE.