Solution : https://service.sap.com/sap/support/notes/177694 (SAP Service marketplace login required)
Key words :
'reorganize report data' function, 'delete report data' function, report type/report/variant, 'regenerate report' function, delete additional data, mb = 12 gbin total, additional report data, 'additional report data', 'additional report data, actual report data
Related Notes :
| 195757 | Saved report data in risk management |
| 152823 | Reorganization of report data |