Solution : https://service.sap.com/sap/support/notes/1044741 (SAP Service marketplace login required)
Key words :
menu option utilities -> user settings, bc set specific user setting, newly created data element scprrecdel, radio button option 'predefined type', bc set key values, activate data element scprrecdel, activating classical bc sets, user settings screen, activating bc sets, classical bc sets
Related Notes :
| 1375375 | BCSet Deletions:Text Table entries not deleted at activation |
| 1153253 | Customizing Distribution - Deletions by BC Set Activation |