Solution : https://service.sap.com/sap/support/notes/863401 (SAP Service marketplace login required)
Key words :
mapping function module forobject = bdfeature = bwifunction group =, extract structure remain initial, crmt_ipm _bea_bw_ds extract structure, sap netweaver business intelligence, billing engine applications ipmi, crmt_ipm_bea_bw_ds extract structure, crmt_ipmo_bea_bw_ds extract structure, start date backwards, sap netweaver bi, existing billings affected
Related Notes :
| 1096081 | IPM BW: Contract reference billing/settlement |
| 787678 | Regenerating IPM Billing Engine applications |