ap2hyc on "Featured Image Issue"

Hi,

I was recently and following SiteLock cleaning the redirects from my site, the Featured Images have not displayed properly. I've already tried deactivating all plugins to see if this helps, but there was no change.

Images are displaying properly elsewhere on the site; it seems to just be the featured images that aren't working.

My URL is ap2hyc.com and I use the Bloggit theme from http://themeforest.net/user/wpexplorer/

I would really appreciate any help on this!

Images have no source to display

may be someone called the mistake function.

be sure you are calling

<?php the_post_thumbnail(); ?>

I'm not entirely sure what that means. Where should I be looking for that line?

anywhere in your index.php file

Or content.php file

It looked like it was an issue with my theme not being fully compatible with the update on WordPress. I've now sorted it. Thanks for the help.