react-redux-blog | A sample React Redux CRUD app | Frontend Framework library

I have been trying to implement redux into my React app and using this guide to make ajax calls.

Example Actions Example Container

My code is almost identical to his, except I get the error:

Uncaught Error: Actions must be plain objects. Use custom middleware for async actions

I've looked all through his code and he isn't applying middleware or doing anything out of the ordinary

My async action

I'm very new to react & redux and trying to test https://github.com/rajaraodv/react-redux-blog. What I want to do is I want to put together New Blog Post and Blog Post List in PostsIndex as follow,

PostsIndex.js