Solution : https://service.sap.com/sap/support/notes/1897057 (SAP Service marketplace login required)
Key words :
subsequentiw_bep200200 sap_gwfnd740740 correction instructions correction instructionssoftware componentvalid fromvalid tonumbersap_gwfnd7407401641386iw_bep2002001641385 support packages & patches support packagessoftware componentreleasesupport packagesap_gwfnd740sapk-74005insapgwfndiw_bep200sapk-20008iniwbep, customer component opu-bse-sb-ui gateway service builder ui priority correction, start transaction se24 create interface /iwbep/if_sbdm_gen_handler start transaction se91, high priority category program error validity software componentfrom rel, terms sap netweaver gateway service builder, intention service builder blocks generation, release 200 sapk-20007iniwbep - sapk-20007iniwbep, release 740 sapk-74004insapgwfnd - sapk-74004insapgwfnd, select message class /iwbep/sbuip, start transaction se24