User is not receiving HCM Extracts Notification

Summary:

We've have configured a notification in HCM Extracts but user is not receiving

Content (required):

We are experiencing one issue with HCM Extracts Notification.

We have mapped to one user in the below navigation but it's not working. 

For another client, this configuration worked. 

Kindly let us know if we are missing anything.

Refine Extracts -> query the intended extract name 

then click on 'Go to Task' icon and then click on 'Next' button 

In this page, we configured with below 

Owner Type = User 

Owner - Selected the owner name/ email id

Sequence = 3 

And checked Flow Task End Notification, Warning Notifiation and Error.