Company code & does not support purchase order text

What causes this issue?

The company code is not marked for Message Purchase Order Text.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

When setting up the company codes for the general purchase order
supplement <DS:TRANS.OMR8>mark this company code as Message Purchase
Order Text.</>
Once the error has been removed, start the transaction again.

Error message extract from SAP system. Copyright SAP SE.