Angular 2 Laravel start

I follow this tutorial

http://ift.tt/21dhLsp

and this

http://ift.tt/1RFyqiS

But I get that error:

http://ift.tt/1Mw1u0f

This is how my gulp file look like: http://ift.tt/1RFyqiY

Can anybody help me?

via Chebli Mohamed