Solution : https://service.sap.com/sap/support/notes/1073532 (SAP Service marketplace login required)
Key words :
attached source code corrections, source system, single values, set variables, terms reportwriter, release upgrade, sgrw_variant reason, program error, solution implement, report groups
Related Notes :
| 634588 | Single values during the conversion of variants to 4.70 |
| 122969 | Report Writer: Problems with variants after upgrade |