Expert Shell Page is deprecatedIssue Unable to access Expert Shell PageReleaseXanaduResolution For creating and configuring the on-call schedule , please use the on-call creation wizard page.https://www.servicenow.com/docs/bundle/xanadu-it-service-management/page/administer/on-call-scheduling/task/create-update-schedule-oncall.htmlOn Click of My Group Schedule , earlier expert_shell page is used, which is deprecated. It is recommended to use the on_call creation wizard page by following the above docs.