Solution : https://service.sap.com/sap/support/notes/565371 (SAP Service marketplace login required)
Key words :
complex type class, thefollowing error occurs, type conversion error, business package manager, error occurred, support package, approval workflow, portal inbox, field workqueue_id, workitem id
Related Notes :
| 568559 | Composite SAP note: Manager Self Service 50.2 (My Staff) |