Calendar Error: Your event couldn’t be refreshed. The calendar was not found on the server

Hi,

Calendar throws an error after adding a new google calendar item. Clicking on the error triangle gives you "Your event couldn’t be refreshed. The calendar was not found on the server". Screenshot below.

Though the calendar will remain in the app, it will not get added to google calendar and hence won't show up on other devices including iPhone or another Mac or even the google calendar on web.

Issue happening on my Apple M1 Pro, Mac OS Ventura Updated to 13.4 and Google workspace which is provider for the organisation.

On the other hand if I add the same calendar in google calendar via a browser window, it shows up fine on the Mac Calendar app.

Same calendar invite works fine with the older MacBook Air running Monterey.

Tried toggling the calendar button On Off with restart. Deleting account and adding it back with restart. Nothing has helped. This has been the case since last few months when I realised the issue.

Please help since it is annoying to go back to browser for every calendar invite to be added!

Thanks in advance.

MacBook Pro (2021)

Posted on May 21, 2023 11:44 PM

Top-ranking reply

Hoc333

Level 1

9 points

Posted on Oct 10, 2023 11:49 AM

I think I found the solution! Here it is:

1) I was using my macbook Apple Mail to view multiple accounts including the Gmail account that my calendar invite issue was occuring. I rarely log on to a browser and use my Gmail.

2) I found the original calendar invite in my Gmail email using a browser (Chrome). This is what I found there at the top of the email which contained the calendar invite:

3) When I selected "I know the sender" and then added the calendar invite, it added to BOTH my Apple Calendar and my Google Calendar (which is synced with my Apple Calendar). No more triangle with the error message: "Your event couldn't be refreshed".

So far, I have been able to do this for three distinct, separate event senders with no issues. Apple Mail does not alert you that the Google calendar is not accepting the "unknown sender" which means that this is in fact a Google calendar issue since it is the source of flagging unknown senders which results in the Apple calendar error message because Apple calendar cannot pull the event information from Google calendar since it was never added even though it was added to the Apple calendar.

Let me know if this fix works for you!!!

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Calendar Error: Your event couldn’t be refreshed. The calendar was not found on the server

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