Solution : https://service.sap.com/sap/support/notes/132735 (SAP Service marketplace login required)
Key words :
additional key words drill-, frozen report data, termination hclass_not_exist, program error, correction marked, affected reports, implemented, note 101557, prerequisites, regenerate
Related Notes :
| 101557 | Drill-down reporting: cost element node in form |
| 84023 | Re-generating drilldown reports |