Solution : https://service.sap.com/sap/support/notes/1373611 (SAP Service marketplace login required)
Key words :
Unicode conversion, SPUMG, UMG_SHOW_UCTABS
Related Notes :
| 1319517 | Unicode Collection Note |
SAP Note 1373611 - Unknown type in report UMG_SHOW_UCTAB during generation
Component : I18N Unicode -