Solution : https://service.sap.com/sap/support/notes/424486 (SAP Service marketplace login required)
Key words :
number range blocks reason, separate number range interval, number range object 'rv_beleg', number range buffering, sap programs contained, source code required, sap standard system, country-specific deactivation, note 363901 exclusively concern, userexit_number_range user exit
Related Notes :
363901 | Country-specific buffering RV_BELEG/number assignment in SD |
170183 | |
23835 | Buffering RV_BELEG / Number assignment in SD |