Solution : https://service.sap.com/sap/support/notes/402834 (SAP Service marketplace login required)
Key words : 
additional key words xnegp, flag 'negative posting', attached advance corrections, account block, fi document, program error, solution implement, transferred, accounting, prerequisites
Related Notes : 
       
| 453997 | MIRO: Hiding fields in the general ledger account screen | 
| 398937 | MIRO: Not supported fields in the general ledger block | 
| 391683 | MIRO: Fields on the G/L account tab |