SAP Message W-091 - No hierarchy exists for vendor &1 DOCUMENTATION DiagnosisYou want to determine the hierarchy for the vendor based on thefollowing data:Vendor: &V1&Purchasing organization: &V2&Hierarchy category: &V3&Validity date: &V4&However, no hierarchy path could be determined.ProcedureINCLUDE ISR_CHECKIf necessary, start determination again.