There's not enough information to help you here. Have you checked that the plugin is installed (i.e. on the list of plugins and not greyed out as disabled)? What have you done to try to "access" it? How have you configured it? (If those all make sense and you think they're ok, then could you also have a look at the log)
Also, there's more than one Gantt chart plugin out there - could you tell us which one you're using?
Hey Atlassian community, I help lead engineering at Sentry, an open-source error-tracking and monitoring tool that integrates with Jira. We started using Jira Software Cloud internally last year, a...
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