Customizing mirror mapping incomplete. Transaction is not mirrored!

What causes this issue?

The system tried to read the control tables for mirror transactions.
However
, these tables have not been maintained sufficiently.

System Response

The system is therefore not able to create the mirror transaction.

How to fix this error?

Complete the entries for mapping the product types/transaction types in
Customizing.

Error message extract from SAP system. Copyright SAP SE.