Solution : https://service.sap.com/sap/support/notes/447461 (SAP Service marketplace login required)
Key words :
additional key words cn21 cn22 cn23 slwid, function 'setting -> field selection', user-specific field selection, user field headings stored, field key stored, field key maintained, key word id, current field key, current field selection, user-specific headings
Related Notes :
| 430533 | The headings of the user fields are not displayed |