Website Displaying Errors please see screenshot and login

Greetings

I added a post grid but instead of showing the post titles, it adds HTML to it and does not display it as a link. The read more text doesn’t show either. please help. see attached image for details. Here is how its looking here: https://imgur.com/a/MSKm52s

The site is https://www.reviewcartel.com/

Also, it doesn’t show all the posts in chrome: https://imgur.com/a/k445R4B

Here are my login details below: You can use the temporary login