If you experience the below warning message when selecting the calendar tile within MyDay then read through this article.
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To find this you will need to go to Control Panel > Connectors > Exchange > Edit > Tick Use OAuth Authentication for Office 365.
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Steps to resolve:
ONLY TO BE ACTIONED IF ALL STUDENTS ARE AFFECTED
One way to resolve this issue is by re-consenting on the myday office 365 app itself on Azure. Elveio guide - https://collabco.elevio.help/en/articles/154
Look for the myday O365 apps in Enterprise apps and click on it.
Go to permissions and grant consent. This will reset the tokens for all users
Access Permissions - Check if the account receiving the error has a shared mailbox with multiple users. Best to check calendar permission and remove the duplicate user entry.
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