SAP Message AD23007 - Object hierarchy couldn't be determined for sales item &1/&2

Diagnosis Output hierarchy for sales item &V1&/&V2& was to be determined from thedynamic items. An error occured during the object structuredetermination. Possible cause is an incorrect account assignment of the sales item. System Response Output cannot be issued. Procedure Check the account assignment and object hierarchy for item &V1&/&V2&.