SAP Message 6B079 - Correspondence for LO &1 &1 is carried out with corresp.activity &2 DOCUMENTATION DiagnosisCorrespondence activityV3 is used for rentalagreement &V1& &V2&.ProcedureIf you wish to know the definition of correspondence activity &V3& andwhich letters are sent to which recipients, you can access Customizingfrom here.