Files in Team is invalid

Hello mcst4554   This specific issue showed up on our answers.microsoft.com site a few months ago.  Please take a look at the tech's response and let us know if it doesn't solve the issue:  https://answers.microsoft.com/en-us/msoffice/forum/all/teams-desktop-error-the-specified-list-is-invalid/86ad0843-0c1d-4a78-9f9a-924481919646