Solution : https://service.sap.com/sap/support/notes/1170400 (SAP Service marketplace login required)
Key words :
document splitting generates individual split, component fi-gl-gl-, identical debit/credit indicator, relevant incorrect posting key, incorrect posting key, debit/credit indicators, relevant affected item, account assignments identical, identical account assignments, special purpose ledgers
Related Notes :
1484185 | Document splitting: Incorrect posting key in New G/L |
1434835 | Incorrect posting key in new general ledger |
1383862 | Document splitting: Incorrect posting key in New G/L |