Hi @IntriousTechFit
According to your case description, the administrator encountered the "We couldn't complete that action" error when creating a team. This is a known issue, and our team is urgently fixing it. It is expected to be fixed in next Monday's update.
In the meantime, your administrator can use the Graph API to create a team from the Teams Admin Center. Please refer to this documentation for specific steps.
Thanks for your understanding and support.
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