Google Ads went missing

Recently I have noticed all my google ads have gone missing on my homepage sitsam.com I noticed it immediately after I posted an article for a review on a book “Japanese Schoolgirls Confidential”. That article’s page also only displays public service ads yet my tags are fairly similar to other articles in the past.

If I move onto the second homepage of older posts all the ads work fine. I’m assuming there is a problem with this one article but it does not go away if I return the article to pending.

Please help, I do not understand all the backend code that well.

Thanks in advance
Bryan