Solution : https://service.sap.com/sap/support/notes/78230 (SAP Service marketplace login required)
Key words :
additional key words reportwriter, key figure block lines, report writer report, prerequisites program error, local summation levels, global summation level, summation level 0, summation level, formula lines, hidden due
Related Notes :
| 135148 | 4.0/4.5: Summation levels - changed functions |