Their site might be using some form of analytics or tracking in a script, and could be the error handler on their end leads to a general error pop up like this, but again just a guess on my end

Just a guess, but I would assume an ad/script blocker like uBlock Origin might be blocking a script they’re trying to load?

Ah right of course! Silly me!

“oh how wholesome, they’re holding ha-… Oh.”

Valid as fuck