Setting up future meetings with participants using Teams calendar or Outlook integration
Got this exact same error today! I guess you set the end date of an individual meeting to be the end date of the series. (So, you would plan a meeting of 1 year long).
The end date should be the date of the individual meeting. And then under the circled arrows, select a recurring type (daily, weekly). Choose custom to set a specific end date, instead of infinite.
Here's more in detail:
https://www.itexperience.net/fix-unable-to-schedule-event-in-teams/