Solution : https://service.sap.com/sap/support/notes/858207 (SAP Service marketplace login required)
Key words :
valid billing request item, error message bea287, entire time period, system incorrectly views, attached correction instructions, billing request items, difference calculation terminates, function module getcorritem, function module, billing plan
Related Notes :
| 787678 | Regenerating IPM Billing Engine applications |