Message SAP /ISDFPS/MM501 - Several entries with the same urgcy grp/org.prio. combination not allowed DOCUMENTATION DiagnosisThe combination UrgcyGrp = &V1& and Organizational Prio. = &V2& alreadyexists and may occur once only so that the requirement priority can bedetermined uniquely.ProcedureNote this condition of uniqueness when making your table entries.