Company code is reset when valuation area is entered

What causes this issue?

You have entered a company code and a valuation area.

System Response

The relevant company code has been clearly defined for the valuation
area: your entry in the field <LS>Company code</> will therefore be
automatically deleted.

How to fix this error?

If you want to display all the documents in the whole company code,
reenter the company code and delete your entry in the field
<LS>Valuation area</>.

Error message extract from SAP system. Copyright SAP SE.