What state is it in?

1.8 billion lightyears across

That is a huge void, but not entirely unbelievable... Like alexanderao said. We know the expansion of the universe wasn't uniform.

the universe is so scary

They are referring to it as a void because it is comparatively more empty than theoretical estimates of how "filled" it should be. It's not literally empty. That's why it's still a structure; there are still intra-galaxy interactions within the "void"