Solution : https://service.sap.com/sap/support/notes/1457258 (SAP Service marketplace login required)
Key words :
Unicode conversion, UMG_ADD_PREP_STEP, Additional Preparation Steps, SPUMG:$CORR
Related Notes :
| 1438958 | Runtime error in RS_TEST_REPORT_GENERATE_JOB |
| 1391261 | Runtime error in RS_TESTREPORT_DELETE_ONLINE |
| 1319517 | Unicode Collection Note |