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Access to system settings
Select Permission from the setting screen for system administrators.
How to limit Gantt creation to only some users
If you register a group in the Group has creation rights field, only users who belong to the registered group are allowed to create Gantts.
Additional Help
If you have any questions please feel free to ask a member of the Atlassian community!
Add the tag "addon-jp.ricksoft.plugins.wbsgantt-for-jira" when you ask a question.