Solution : https://service.sap.com/sap/support/notes/65859 (SAP Service marketplace login required)
Key words : 
sgrw_docu_cons_notesgrw_om sgrw_ps sgrw_pc sgrw_sl sgrw_pca sgrw_ec sgrw_lis solution, 6a -> fi -> fi-sl -> fi-sl-, form pools provide empty program includes, current physical table<-- return codethe subroutine, customer enhancements für authorization check, display line itemsa simple, display summary records28, sap standard support, suitable authorization object, authorization object typically
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