NSFW: Can't set Featured Image

What exactly happens, does it upload at all, is the button not there? Describe what happens when you try to upload the featured image.

When I am trying to set any picture, I can not see them (in featured image box and in homepage). I gave you link to my website, check that by yourself it can tell you more.

Whereabouts on your website is an example of the problem?

NSFW https://mrnudecelebs.com/ are you there? see latest post, there is no thumb like in other posts.

I do not know what happened… all thumbs suddenly dissapered and menu is changed.