post shows error after account cancelation

[mrhlee]

I deleted my account jasperwall and created a new one. I commented on one post with that old account, and when trying to view the original post, i get this error:
NoMethodError in Posts#show

Here's the link to the post, and you can see the error: http://hackful.com/posts/588

[8bitpal]

I see. On the list. Thanks for the hint!