New ionic push error

[fparigi]

I try to follow the push tutorial and add push to my app
so when i add the code to my app.js I have this error

I try to reinstall

ionic add ionic-platform-web-client
but I receive an error

I try to install with bower… and I work but doesen’t solve the probelm!!!
Any one can help me?
Fabio

[fparigi]

Oh my god!
I solve with

ionic remove ionic-platform-web-client

and

ionic add ionic-platform-web-client