Can you find the meeting record history in Teams client like the following picture?
Have you deleted this meeting record in Microsoft Teams?
In my experience, Meeting recordings are stored in Microsoft Stream cloud storage. Recordings are retained and available for viewing and download for 21 days. You can go to the admin recycle bin to see if you can find the meeting record here. For more details, you can refer to:
https://learn.microsoft.com/en-us/stream/admin-recycle-bin
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