Conversations involving multiple participants, allowing collaboration and information sharing in Teams
This is not a solution its just restarting the application.
Actually restarting causes a larger issue for many people. Specifically: https://techcommunity.microsoft.com/t5/microsoft-teams/user-stuck-in-a-boot-loop-crash-in-teams/m-p/1313046
&tldr; Many users have to reinstall teams after shutting it down.
The cause/fix for this other problem is also understood by the community.