in-app notification not appear for users

Summary:

Dears,

Our client cant find in-app notification , its always shows empty.

They need to go inside the BPM to see the notification.

Content (please ensure you mask any confidential information):

Your support is highly appreciated.

Best Regards,

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):