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CBach2014 , an admin at my org pointed me to a solution that worked for me.

One line of powershell sourced from the following url:

https://techcommunity.microsoft.com/t5/itops-talk-blog/powershell-basics-how-to-delete-microsoft-teams-cache-for-all/ba-p/1519118

Get-ChildItem "C:\Users\*\AppData\Roaming\Microsoft\Teams\*" -directory | Where name -in ('application cache','blob storage','databases','GPUcache','IndexedDB','Local Storage','tmp') | ForEach{Remove-Item $_.FullName -Recurse -Force -WhatIf}

 Exit Teams and log in again.