Solution : https://service.sap.com/sap/support/notes/117191 (SAP Service marketplace login required)
Key words :
additional key words work item, top level work items, work item log, work item data, delete work items, work items selected, selected work items, dependent work items, remaining log entries, global table global_tab_workitem_del_key
Related Notes :
| 145291 | Performance of deletion from archive file |