Solution : https://service.sap.com/sap/support/notes/765481 (SAP Service marketplace login required)
Key words :
master data values selection, web interface builder, predefined allowed values, higher-level characteristic, complete level selection, variable selector displays, variable selector informs, variable selector reason, characteristic values, variable selection
Related Notes :
| 795574 | BPS Web: Selector displays only technical keys |
| 747148 | BPS Web: Selector is not initialized (-- Error --) |
| 625926 | Selector was not initialized (UPWB128) |