Cross-company-code transaction in document &1, item &2, company code &3

What causes this issue?

You are working in company code &V4&.
You are entering the invoice for a document &V1& that is assigned to a
different company code &V3&.

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?

Check the document number you entered, and the company code in which you
are working. Correct your entries as applicable.

Procedure for System Administrators

By default, this message is set as a warning. You can set the system
message as an error (<LB>E</>) or an information message (<LB>I</>) in
Customizing for <LS>Logistics Invoice Verification</> under
<DS:SIMG.SIMG_CFMENUOLMROMRM>Define Attributes of System Messages</>.

Error message extract from SAP system. Copyright SAP SE.