Solution : https://service.sap.com/sap/support/notes/1279155 (SAP Service marketplace login required)
Key words : 
rvkred07 - rounding error- differential invoice-split iv1257993, menu option edit -> interface -> globalize parameter 4, type  t180-trtyp default space  optional, type  v50agl-mult default space optional, type  no_statistics default space optionalexport parameters, type  mccontrol-modus default space optional, type  mccontrol-sprog default space optional, type  mccontrol-srout default space optional, type  v50agl-split default space optional, batch managed oil materialplease read note 1249789
Related Notes : 
       
| 1459782 | Increased response time in VF01 after note 1277144 | 
| 1391613 | Credit Management: Billing of credit/debit memo requests | 
| 1386609 | Cancellation of intercompany invoices | 
| 1329676 | Credit Management: remaining open delivery after billing | 
| 1308813 | Cannot bill when no plant in sales order | 
| 1287440 | Credit Management: RVKRED07 error message WVA 012 | 
| 1277144 | Wrong credit management value when archived billing | 
| 1249789 | FAQ: IS OIL and SD Credit Management | 
| 1143663 | FAQ : HPM - Hydrocarbon Product Management | 
| 1083284 | (II) IS OIL Credit management - Phase 2.0 | 
| 1080893 | (I) IS OIL Credit management - Downgrade from Oil 6.0 to 472 | 
| 1059038 | IS-OIL 6.0 - Credit Management Integration - Overview | 
| 1041794 | {472} IS OIL Credit Management Project - Release 1.0 | 
| 996456 | IS OIL and Credit Management Compatibilty |