VAT Pro-Rata reports in SAP ERP (SAP_APPL versions 600, 602, 603, 604, 605, 606, 616 and SAP_FIN versions 617, 618, 700, 720, 730) and SAP S/4 HANA (versions 100, 101, 102, 103, 104) do not perform necessary authorization checks for an authenticated user leading to Missing Authorization Check.