You have selected a document item that does not have preference authoriz.

What causes this issue?

You have marked a document item that is not preference authorized, but
according to Customizing, the output type that is to be issued involves
a preference document.

System Response

The system informs you of this fact.

How to fix this error?

Check your entry. The system allows you to print a preference document
even if document items that are not preference authorized are marked.

Error message extract from SAP system. Copyright SAP SE.