Solution : https://service.sap.com/sap/support/notes/501696 (SAP Service marketplace login required)
Key words : 
'create billing document' transaction, system issues message vf050, issues error message vf050, funds management account assignment, fm account assignment, order-account assignment, attached advance correction, accounting document generated, system issues, funds management
Related Notes : 
       
| 833388 | Error handling in the SD/FI interface | 
| 674967 | Message VF050 when releasing billing document | 
| 506145 | VF050 when releasing a billing document III | 
| 498880 | VF050 when releasing billing document |