Demo does not work

[codef0rmer]

The demo Url: http://ang-exp-blog.briantford.com/

Failing to load/add blog posts.

Error got in the console:
Failed to load resource: the server responded with a status of 500 (Internal Server Error) http://ang-exp-blog.briantford.com/api/posts

[Bondifrench]

+1 Yep, live demo still doens't work