Pricing procedure could not be determined

What causes this issue?

The system could not determine a pricing procedure with the following
key fields:
Purchasing organization schema group &V1&
Supplier schema group &V3&
Document schema group &V2&
Customer schema group &V4&

System Response

The system does not permit further processing.

How to fix this error?

IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.
Check the Customizing settings for
<DS:SIMG.W_WLFA_0007>pricing procedure determination</> and maintain
the missing entry if necessary.
Alternatively, check the assignment of schema groups to the relevant
purchasing organization, supplier, settlement document type, and, if
applicable, customer.
ENDIF.

Error message extract from SAP system. Copyright SAP SE.