When there is a topic or a post awaiting approval, you can get the details about it (subject, author, post time, message content).

There are two buttons above the message content : Disapprove and Approve. The ones work fine. Below the message content, there is the moderator options selector. The only available option is « Delete post » and it doesn't work: nothing happens after having clicked on Submit.

I suggest to remove the moderator options block in that context. It's useless anyways: if you want to delete the topic or post, just disapprove it.