Solution : https://service.sap.com/sap/support/notes/1096903 (SAP Service marketplace login required)
Key words :
spumg menu extras -> table splitting, terms unicode conversion, prerequisites additional information, table splitting feature, table field docnum, table field belnr, table cluster rfblg, table splitting, transactions spumg, table cdpos
Related Notes :
| 1324384 | "NODE_KEY_EMPTY" or "NODE_KEY_EXISTS" in table splitting |
| 1319517 | Unicode Collection Note |
| 1271082 | SPUMG or SPUM4 Table Splitting: Reprocess Reset |