Solution : https://service.sap.com/sap/support/notes/1167951 (SAP Service marketplace login required)
Key words :
note addresses additional errors, edit long texts, relevant texts originated, half-byte values, function module save_text, source code correlations, relevant support package, implemented note 1164162, note 1164162 corrects, note assistant
Related Notes :
1412625 | Long load times in transactions PB60 and PBWB |
1261426 | Texts from non-Unicode are incorrect in Unicode |
1164162 | PBWW, PB60 - Problems with long texts in Unicode systemes |