Solution : https://service.sap.com/sap/support/notes/205096 (SAP Service marketplace login required)
Key words :
additional key words transactions fbl1n, newly defined special field, rfitemartable t021s view v_t021s, assign display variants, line item display, execute report balvbufdel, avoid executing balvbufdel, special fields defined, abap list viewer, view v_t021s
Related Notes :
| 332778 | Line item: special fields not filled in grid |
| 308539 | |
| 215798 | FBL*N: Special fields are not displayed |