Verify Working Calendar Toggle Hierarchy
- Open the Gantt widget parameters
- Navigate to the Working Calendars section
- Confirm the toggles are enabled in order:
- Use Working Calendar must be
Yes - Load User Calendars only appears when Use Working Calendar is
Yes - Load Team Assignments only appears when both above are
Yes
- Use Working Calendar must be
Check Calendar Project Configuration Properties
- Replace
<PROJECTID>with the project ID of the work item calendar project - Replace
<WORKITEMID>with the work item ID of the calendar work item used as the global calendar
Verify Assignee Configuration on Calendar Items
Validate Calendar Inheritance Links
inherits from link role for parent-child inheritance and the affects link role for exceptions (Time Off, Time On, Tweak).- User calendars should have a parent link to the global calendar via inherits from
- Exception items (Time Off, Time On, Tweak) must be linked to their target calendar via affects
Address Version-Specific Regressions
- Versions v25.7.0 through v25.8.0 contain a known regression where work items missing fields required by a workflow action can fail to load on the Gantt, which can leave resource rows and allocations incomplete
- Upgrade to v25.9.0 or later to resolve this issue
- As a workaround, roll back to v24.10.1 if upgrading is not immediately possible
Clear the Calendar Cache
nextedy.gantt.workingCalendar.useCache administration property).When caching is active, clear the stale cache using either method:- Click the Clear Calendar Cache toolbar button, which appears in the Gantt toolbar when caching is enabled
- Call the
api/clearCalendarCacheendpoint directly
Verification
You should now see:- The Working Calendars section in widget parameters shows all three toggles in sequence
- User-specific non-working days appear as gray areas on the resource view
- Resource allocation markers reflect correct capacity based on each user’s calendar
- Time Off, Time On, and Tweak items correctly adjust the displayed availability