Solution : https://service.sap.com/sap/support/notes/1000810 (SAP Service marketplace login required)
Key words :
/osp/get_setting_value reason, rfc /osp/get_setting_value, global defintions entries, locale specific description, query text table, text table, global definitions, master table, terms duet 1, description values
Related Notes :
993562 | Duet 1.0 SP02: Release Information Note |