I’ve been checking that post previously and i think the featured image URL this one http://rcc.com.py/wp-content/uploads/2018/11/Vice.jpg, right? If yes, it seems i can’t access that image. Here’s the result on my side https://www.dropbox.com/s/o7zqymyxm6ci65x/Screenshot%202018-11-06%2012.27.10.png?dl=0. There’s a permission issue. Please try to check on your side.