Solution : https://service.sap.com/sap/support/notes/1137753 (SAP Service marketplace login required)
Key words :
processing outlook task item, standard sp15 release, solution kindly follow, start transaction se37, approver task reason, sap basis release 7, function module 's_osp_wf_defaultch_action_item' 1, intiator task, sap basis 7, function module
Related Notes :
1067168 | Duet 1.5 SP00: Release Information Note |
1028938 | Workflow: Composite note |