Solution : https://service.sap.com/sap/support/notes/743507 (SAP Service marketplace login required)
Key words : 
kalc -> posting parameter -> dialog box, bukrs/gsber clearing account debit, alternative fi posting period dealt, indicator reversal = 'x' reversal records, customer-specific special cases, bukrs/gsber clearing account, indicator cofis-stflg = 'x', fi balance sheet accounts, individual fi settlement documents, transfer selected cost flows
Related Notes : 
       
| 309987 | Difference btw FI and PCA when using reconciliation ledger | 
| 202390 | KALC: Different amounts for same currency | 
| 87064 | Reconcil.ledger: cost-of-sales accounting problems |