Solution : https://service.sap.com/sap/support/notes/634588 (SAP Service marketplace login required)
Key words :
attached source code corrections, release upgrade reason, source system, 70 single values, set variables, terms reportwriter, program error, solution implement, report groups, respective variants
Related Notes :
| 1073532 | Single values during the conversion of variants II |
| 607562 | RGRRCONV_VAR - Problems in Release 4.70 |
| 122969 | Report Writer: Problems with variants after upgrade |