Urgent Solution to fix this error message (AADSTS90072)

Hi there, I keep getting the error message below and unable to log into the Team meeting (both desktop and browser versions). Can you advise me on how to fix this issue for good? I’m a Macbook user, and I have tried both Chome and Safari, and the problem persists. Thank you!

AADSTS90072: User account ‘[email protected]‘ from identity provider ‘live.com‘ does not exist in tenant ‘MSQ Partners’ and cannot access the application ‘5e3ce6c0-2b1f-4285-8d4b-75ee78787346′(Microsoft Teams Web Client) in that tenant. The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account