Solution : https://service.sap.com/sap/support/notes/819147 (SAP Service marketplace login required)
Key words :
webflow service work items based, wp-pi software component, webflow service handler, terms webflow services, e-mail scenarios, function module swk_wi_select, swk_wi_select module, workplace plug-, object type, status 'final'
Related Notes :
| 786113 | SAP_WAPI_RESERVE_WORKITEM |
| 715204 | Error when executing WebFlow Service again |