The correct option is Project permission.

Maya needs the specific project permission that allows issue linking to be granted to her account or group. In Jira this is the Link Issues permission which is assigned in a project's permission settings so an administrator should add her user or role to the permission that grants link rights in the relevant project or projects.

Issue security scheme is incorrect because issue security controls who can view or access particular issues and not whether a user can create links between issues.

Permission scheme is incorrect as the best answer because the request should be for the specific project permission that permits linking rather than a vague change to the scheme itself.

Issue linking global setting is incorrect because there is no single global toggle that grants users the ability to link issues in standard Jira. Linking is governed by project permissions.

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