Reporting posts on articles is broken

[DirkGently]

There's a couple posts from spambots on my recent articles. Clicking the report button on those posts goes to an error page.

[Feyd_Ruin]

Posts killed. I'll look into why it can't be reporter.
Seemed to work for me so maybe it's a permissions issue.

[DirkGently]

It says "the post you requested does not exist".

I thought someone may have already reported it, however the same thing happens for reporting any post on an article. Reporting posts in the forum works fine for me.