Inspection Plan Action Rule Notification not sending email to users

Summary:

We have configured an Inspection Plan Action Rule to send a notification to a user when the characteristic does not match the target value. The user is getting the notification, however the notification is only available when the user drills into the worklist. There is no notification present in the Bell icon and no email is being generated to the user.

Are there any additional configurations that must be present for the user to receive the email?

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