Solution : https://service.sap.com/sap/support/notes/29417 (SAP Service marketplace login required)
Key words :
field selection output sortclient 000cond, error message nr751 issued, number current number ext, field 'current number', number range interval, prerequisites number range '01', save number range, additional key words, start ta snro, konhh -> number ranges 3
Related Notes :
| 179153 | NR751: "..number range interval &3 does not exist." |