Solution : https://service.sap.com/sap/support/notes/1336343 (SAP Service marketplace login required)
Key words :
kmc_uwl_item add column group_action type, kmc_uwl_item add column flags type, kmc_uwl_item delete column sort_keymar 27, kmc_uwl_item delete column process_due_datemar 27, kmc_uwl_item delete column pushed_flagmar 27, kmc_uwl_item delete column shared_flagmar 27, kmc_uwl_item delete column user_action_flagmar 27, drop column process_due_datemar 27, drop column pushed_flagmar 27, drop column shared_flagmar 27
Related Notes :
| 1267573 | Central Note: Upgrade to Systems on SAP NW 7.0 EHP2 Java |