Diagnosis
You want to enter a superior document for a document.
The document you entered as superior document is already in thehierarchy below the document you are processing.
recursiveness is not supported for documents.

System Response
The system checks the document hierarchy. If it recognizesrecursiveness online, the document cannot be assigned.

Procedure
Check your entry for the superior document in the document you arecurrently processing or in the document info record of the document youwant to assign.
Correct your entries if necessary.