@TPS-Admin The issue with your flow is the Apply to Each actions in your flow.

You need to use a Select action to get the email addresses from the Assigned To column in your SharePoint list. I cover how to do that in this YT Tutorial: How to Handle Multi-Person SharePoint Item Notifications in Outlook and MS Teams with Power Automate
Do you want to know how to send an email to all users assigned to a SharePoint item? If so—this Power Automate tutorial is for YOU 🫵.
In this Microsoft Power Automate tutorial I’ll cover how to create a flow that is triggered by selecting an item. This automation will send an email to all assigned users for the selected task. I’ll also show you how to adjust your flow so that you can send a message in Teams. Then I’ll show you how to collect a list of unique users that have been assigned to multi-person tasks. Using this concept, we’ll edit the flow from the previous tutorial so that it works with a multi-person column.
IN THIS VIDEO:
✅ How to trigger a flow from a selected file
✅ How the multi-person column data outputs
✅ How to use the Select action to get all assigned to users of a SharePoint item
✅ How to use the Join action to convert an array of email addresses into a string
✅ How to send a single email to all assigned to users of a SharePoint item
✅ How to send an email to each assigned to user of a SharePoint item
✅ How to send a Teams message to each user assigned to a SharePoint item
✅ How to return a list of unique users from the multi-person column in a SharePoint list
✅ How to use a Filter Array action to return all SharePoint list items assigned to each user
✅ How to group Power Automate actions together with the Scope action
✅ How to edit a previous flow
Hope this helps!
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