Company code & does not support general purchase order supplement

What causes this issue?

The selected company code has not been created for the general purchase
order supplement.

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?

Delete the company code from the assignment or <DS:TRANS.OMR8>add
the company code</> to the table for the general purchase order
supplement and mark it 'Message Purchase Order Text'.
Once the error has been removed, start the transaction again.

Error message extract from SAP system. Copyright SAP SE.