Solution : https://service.sap.com/sap/support/notes/794341 (SAP Service marketplace login required)
Key words : 
application ipmi -> object bd -> feature acc -> function group, license sales agreement item, ipm_cr_payment_repost transfer posting report, -> function module map4upl, transfer postings, repeated audit, milestone billing, correction instructions, prerequisites, recognized
Related Notes : 
       
| 787678 | Regenerating IPM Billing Engine applications |