| Failed | Access to the calendar is denied due to insufficient user permissions. Please check and ensure you have the necessary permissions for the specified calendar. |
| Failed | Important fields in the calendar (body) that are necessary for parsing are missing. User access to these fields is likely restricted, either deliberately or accidentally. |
| Failed | Unable to locate the specified calendar. Verify that the calendar actually exists and the name provided is correct. |
| Failed | New access tokens for the tenant are unavailable because the app was removed. App re-integration is required. |
| Failed | New access tokens for the tenant can't be obtained because the app permissions were revoked. Re-adding permissions or re-integrating the app is required. |
| Failed | Unexpected delays (timeouts), server errors (5xx errors), or connectivity issues have occurred. Calendar service provider may be experiencing an outage. |
| Failed | Something broke that we have never encountered. Please wait and try again. |