Solution : https://service.sap.com/sap/support/notes/945255 (SAP Service marketplace login required)
Key words :
german national characters, sap service packs, physical table dokclu, dokclu reason, table doktl, unicode conversion, transaction reports, data problems, terms spumg, langauge dependent
Related Notes :
| 1511828 | HR: Special characters in documentation objects |
| 1319517 | Unicode Collection Note |
| 975996 | Problems with applic. area C## during conversion to Unicode |