SAP Message AJ593 - Step &1: Variant category &2 is not valid DOCUMENTATION DiagnosisCertain variant programs are not permitted in a billing schemadepending on whether or not the Dynamic periodcontrol> field is selected:If the field is selected, you may not use any variants from category09.If the field is not selected, you may not use any variants fromcategory 14.ProcedureINCLUDE ISU_KORR OBJECT DOKU ID TX