Solution : https://service.sap.com/sap/support/notes/401349 (SAP Service marketplace login required)
Key words :
text table = 't179t'text field = 'vtext'long text field = 'vtext'field length = '40'save, reporting user-defined characteristics prodh characteristic, menu option 'settings -> characteristic displays', output types 'graphical report-output', terms long text drill-, executing function module 'rkd_short_text_generate_30', 'text field', fields 'text table', select 'long text', long text descriptions
Related Notes :
| 112805 | Drill-down rep.: Long texts for charact. values |