Solution : https://service.sap.com/sap/support/notes/320827 (SAP Service marketplace login required)
Key words :
additional key words drilldown reporting, symptom message kh870, report/report interface, selection option variables, selection screen, subsequent error, program error, advance corrections, characteristic &, note 171386
Related Notes :
| 378954 | Drilldown reporting: Error w/ jump report interface |
| 179300 | Drill-down: Incorrect message KH870 |
| 171386 | Report interface: incorr.transfer of charact. value |