Solution : https://service.sap.com/sap/support/notes/1480194 (SAP Service marketplace login required)
Key words :
netweaver support package stack guide, support package version, terms universal worklist, federated portal scenario, federated portal network, consumer portal, uwl session, fpn reason, symptom 2 appears, coding error
Related Notes :
1551944 | Enhanced Application Integration - Version Availability |
1481379 | UWL is not working correct on FPN |