Solution : https://service.sap.com/sap/support/notes/538273 (SAP Service marketplace login required)
Key words :
additional data relat relationship tar_tab target table, mode_cop convert additional data mode_del delete, checkboxes 'convert additional data', select 'convert additional data', 'delete additional data' checkbox, additional data structure set, additional data' checkbox, define additional data, store additional data, 008 additional data structure
Related Notes :
| 677188 | Data for development plans is missing after upgrade |
| 543680 | Upgrade to Unicode: Convert additional data f relationships |