SAP Logical DB, Selection Screens, Selection Variants Transaction Codes - BC-ABA-TO TCodes SAP Logical DB, Selection Screens, Selection Variants (BC-ABA-TO) TcodesTcodeDescriptionModuleSTVARVSelection variable maint. (TVARVC)BC-ABA-TOSTVARVCMaintain TVARVC in Client '000'BC-ABA-TO