"When I try to post a blog on the back end, which is where I normally create a post, I click New and the page for a new post comes up, however, it doesn't allow me to save, it doesn't allow me to change the author, the categories do not show, the only thing I can do is close the screen, which then saves it in drafts."

I am having the same issue, but I have the nouislider.js file in my foundry directory.

Using version 5.0.36 of easyblog and 2.5.28 of Joomla.