Solution : https://service.sap.com/sap/support/notes/1286336 (SAP Service marketplace login required)
Key words :
clear open correlation instances, top-level work items, work items logically, work item administration, standard sap tools, relevant support package, logically delete, large number, ccbpm environment, customer development
Related Notes :
1399658 | SWIA: No authorization check for 'Logically Delete' |
1396805 | "Logically Delete" function active in workflow transactions |
1332139 | NW04s Support Package Stack 19 |
1320523 | XI 30 Support Package Stack (SPS) 24 |