Calendar error message viewing items

Usually on any meeting event that would want (or has gotten) a response - all I have to do is try to open it in the calendar ( just to look or to copy a link…)

[Exchange Web Services]Set action is invalid for property.

11:00:48 AM Online state: changed to online due to NetworkAvailability
11:00:49 AM (redacted) Exchange Web Services Uploading item(s) to folder ‘/Alerts’
11:00:50 AM (redacted) Exchange Web Services Uploading item(s) to folder ‘/Calendar’
11:00:50 AM (redacted) [Exchange Web Services] MailClient.Storage.Application.ItemOperationException: Set action is invalid for property.
GUIStatus_Exception_Reported = True