Jack means the people in the list of possible assignees, not the person trying to select them.
In a Service Desk project, the list of possible assignees is limited to people with "assignable user" permission (check the permission scheme), AND they have to be Service Desk Agents as well.
Hello there Cloud Community members! Today, we’re thrilled to announce Jira Service Management, the next generation of Jira Service Desk. Jira Service Management touts advancements in IT service ...
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