Teams Error 80090016

[Rhonda11]

I'm unable to log in due to error code.

[#2]

Hello,
Refer to below my troubleshoooting post same as your issue, it should help your resolve this.
https://www.augmastudio.com/2021/04/18/resolving-teams-client-login-with-infinite-loop-shows-error-c...

[#3]

Hello,

Have you resolved this issue with your Teams client?