Short version
Delete certs issued by MS-Organization-* in Certificates (Local Computer) > Personal > Certificates
Uninstall Teams and delete app data then reinstall teams
Thanks to person who posted the answer on this post. I’m reposting it here in case it disappears.
Delete certificates
Open the certificates console by going to Start > Run > mmc
mmc
Click File > Add/Remove Snap-in…
Select Certificates and click Add
Select Computer account then Local computer. Then OK
Open Certificates > Personal > Certificates
Delete any certs that contain MS-Organization in the name
Delete Teams cache
Open %appdata%\Microsoft\ and delete the Teams directory
%appdata%\Microsoft\
Uninstall teams
appwiz.cpl
Download and reinstall Teams
I need an excuse to use an Amazon affiliate link so of course you could always just smash it with a hammer.