No action was taken. UpdateManager2.removeUpdateSet has been removed and is not supported. Use the Back Out UI Action with sys_id '625f393397322100a61d10aa1c297523'DescriptionGetting the error mentioned below on navigating to System Update Sets > Local Update Sets and then click on NEW button , or when viewing the current update set Error : No action was taken. UpdateManager2.removeUpdateSet has been removed and is not supported. Use the Back Out UI Action with sys_id '625f393397322100a61d10aa1c297523'CauseThis Error is coming because there are two UI Actions named Back Out Navigate to System > UI Action or System Definition > Ui Action Filter records where Name is Back out and Table is Update Set[sys_update_set] ResolutionKeep the "Back Out" UI Action with the sys_id shown on the error message and delete the other one ( see below screenshot) . Get the sys_id of the records as displayed on below imageKeep the record with sys_id that matches with the sys_id shown on the error message and delete the other Additional Informationhttps://community.servicenow.com/community?id=community_question&sys_id=48f247a1dbd8dbc01dcaf3231f96191b