I am viewing my colleague’s calendar in Google Calendar and in Odoo Calendar, and I can see that many events from their calendar are not appearing in Odoo.

If you create any events in Odoo or in Google Calendar now, they sync both ways normally, but some events that were already in Google Calendar before it was connected to Odoo did not get transferred to Odoo.

Has anyone faced this? How can it be fixed?

We are using Odoo Enterprise version 18.