Summary
With the release of April 2022 product updates, a new feature is available for email out functionality. This new feature is called Microsoft Graph.
Cause
Permission is not configured in Office 365/Azure to use the Graph.
Resolution
To use Microsoft Graph API for Sage 300 Email process requires setup in Office 365/Azure to give permission to use Graph.
The document in Related Articles outlines what is required and how to setup. It is a guide and does not suggest that Sage is responsible for or will assist with setup.
Sage Software does not assist with implementation or administration of Microsoft Office 365/Azure environment.