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Explainsation: “email failed to retrieve data” means that there’s no data for myday to pull and push through to your calendar.
Checklist:
Ensure Oauth is checked as this would need be turned to be using modern authentication which is how myday Calendar/Mail app works.
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:
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
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