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If you have created a Team, but can no longer Edit the Team, it means that you are not a member of the Team, and another staff member who DOES have Admin access IS a member of the team.
If you then edit the Team, the dialog will be greyed out as shown below. This means you will be unable to edit the team.
Staff who have Admin access and who are a member of the Team, will be able to edit the Team.
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