Solution : https://service.sap.com/sap/support/notes/1286699 (SAP Service marketplace login required)
Key words : 
prerequisites programm error, attached coding correction, rszdelete fully enabled, selection screen raised, 00 support package 19 displays 2, selection screen, support package, transaction rszdelete, selection screens, terms rszdelete
Related Notes : 
       
| 1505534 | RSZDELETE: Improvements and enhancements | 
| 1314994 | RSZDELETE: improved where-used list determination |