Solution : https://service.sap.com/sap/support/notes/1002712 (SAP Service marketplace login required)
Key words :
display line items, attached correction instructions, relevant support package, transaction fbl1n, special fields, 'valuation differences', bsbv fields, field catalog, t021s table, system displays
Related Notes :
1117587 | FAGLL03: Special fields for documents in non-leading ledger |