Calendar on Mac has duplicate events.
Have an iMac running Sonoma 14.4.1. I've noticed that since it was updated to this version the calendar had duplicate events. The calendar displays the same events as far back as 2019 to 2028 with the same event on every day. Example, my granddaughter was born on Feb 22, 2023. Her birthday is on every day to 2028. Shat is the problem? I need help. My iPhone has the correct data..
iMac 21.5″, macOS 10.13