The Error caa20001, There's a more permanent way to sign in to Microsoft Teams occurs during login to Teams. Here are fixes that helped many.

Is the Microsoft Teams error caa90019 preventing you from signing in? You can try clearing the Team's app cache or remove the credentials to get rid of the issue.

The initial preview of the Teams JavaScript SDK v2.0 allows you to run apps designed for Teams personal tabs in both desktop and web Outlook and in the Office.com web portal.

What to do when you cannot login to your Microsoft Teams account on your Android phone One issue that you might encounter when using this app is when you are unable to login to your account.