This sorted my issue thanks. I also found that the problem was worse if I added a Teams link to the meeting invite.
Problem with TEAMS calendar syncing
Conflicting edits have been made to the same item. To Resolve this conflict, select the item in the list below you wish to keep and then choose “Keep This Item,” or Choose “Keep All” to preserve all the versions.
Microsoft Teams | Microsoft Teams for business | Calendar | Sync calendars
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Anonymous
2024-07-08T14:20:46+00:00 -
Anonymous
2024-07-08T21:20:06+00:00 This is now a known Microsoft issue that is actively being investigated.
See: Outlook shows conflict errors when updating or cancelling meetings - Microsoft Support