Additional features, settings, or issues not covered by specific Microsoft Teams categories
Hello, MythicalPit9444
I am Igor and I will be glad to help you with this question :)
This error means “There's a more permanent way to sign into Microsoft Teams” often indicates that modern authentication is failed, and all other available authentication methods are also failed with Teams try to sign in your account.
I suggest you to follow the advice from Ana Moderator on the thread below
https://answers.microsoft.com/en-us/msteams/for...
i hope that can help
Best Regards