Solution : https://service.sap.com/sap/support/notes/1053610 (SAP Service marketplace login required)
Key words :
\irj\servlet_jsp\irj\root\web-inf\portal\portalapps\, terms workflow taskuwl taskcollaboration taskcollaborationconfigurationsystem configurationconfiguration framework reason, system administration / system configuration / universal worklist & workflow / workflow, <server inst>\j2ee\cluster\server, workflow / task related, default workflow configuration, task creation wizard, properties file causing, properties file change, workflow configuration
Related Notes :
| 1120557 | Requirements for Issue Handling in the Java Workflow Area |