Codeigniter errors?

I am following this tutorial here: tutorial,
here is the github for tutorial: github for tutorial
I have attached a screen shot of errors i am getting , i am new to codeigniter and i am trying to figure out how to make this work, any help or suggestion in the right direction will be greatly appreciated. Thank you all.

I am following this tutorial here: tutorial,
here is the github for tutorial: github for tutorial
I have attached a screen shot of errors i am getting , i am new to codeigniter and i am trying to figure out how to make this work, any help or suggestion in the right direction will be greatly appreciated. Thank you all.

you forgot the error screenshot. The tutorial use angularjs 1. Do you need an example about angularjs 1 or angular 4?