Duplicate shifts appearing in bookmarked On-Call CalendarDescriptionDuplicate shifts appearing in bookmarked On-Call CalendarSteps to Reproduce 1. Access On-Call Scheduling > On-Call Calendars.2. Select the desired Group to view.3. Change the view to timeline.4. On the top-right corner of the page, there is a Toggle icon, click on it, and click the star icon to Create Favorite5. Access the newly created favorite.6. Observe that a single Shift now appears 3 times, although, the 2 shifts are blankIt is also reproducible on reload of a time-line view page for month viewWorkaroundDisabling and re-enabling the Shift in the Calendar Display menu corrects the issueRelated Problem: PRB1409209