Solution : https://service.sap.com/sap/support/notes/974324 (SAP Service marketplace login required)
Key words :
attached advance corrections manually, alv grid control, relevant support package, bseg-shkzg reason, bseg-pswbt column, bseg-pswbt, transaction fb03, general ledger, system displays, minus sign
Related Notes :
| 1178561 | FB03/general ledger view: Neg qties displayed as positive |
| 979307 | FB03: Positive quantity also displayed in credit line items |