Error message in outlook for live event

[mandalong]

When trying to update a calendar invite with the Team Live Event attendee link this error message pops up. What does it mean?

[#2 · Accepted solution]

@mandalong 

Have you tried following the guidance in this article - https://support.microsoft.com/en-us/office/invite-attendees-to-a-teams-live-event-99c34ccc-296d-40c5...