Solution : https://service.sap.com/sap/support/notes/639171 (SAP Service marketplace login required)
Key words :
executed report writer report, report writer report, entry exists simultaneously, program error due, deviating column header, respective text variables, column header, text variables, short text, valuation interval
Related Notes :
| 760453 | Special text variable (master data attributes) |
| 199787 | 4.6 text variables / new logic |