Solution : https://service.sap.com/sap/support/notes/407784 (SAP Service marketplace login required)
Key words :
additional key words bdt_dialog_classic, execute f4 helps, display sensitive data, function module 'bus_control_main', table parameter t_msg, initial screen checks, initial screen, authorization checks, bdt object, authority check
Related Notes :
428449 | BDT: PBO function modules for initial screen do not run |