Error in approval does not give correct information, need to customize message.

Summary:

While a user tries to approve from a action request from the notification page and then tries to approve the same request again from the bell notification, sees an error message that is misleading and does not gives a clear understanding of the problem. Customer wants a user friendly message so that appropriate action can be taken.

Ideally, message should appear mentioning that the request has been approved, but that is not the case.

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