Additional assignment-related features and issues within Microsoft Teams for Education
I suspect it could be just an intermittent issue, please create a new fresh environment for MS Team. You can always go back to the previous Windows account profile whenever you want.
Please follow these steps:
- Create a new Windows account:
https://support.microsoft.com/en-us/help/402692...
- Install MS Team in a new windows account.
https://www.microsoft.com/en-us/microsoft-365/m...
Kind Regards