panic: missing oauth

[pawelk1337]

im trying to use the example to login to steam and i get the error "panic: missing oauth"

PS Programming\steambot> go run .
open steam_data.json: The system cannot find the file specified.
        [2]: Creating new 'empty' sesson
        [2]: Retriving RSAKey for XXX
        [2]: Attempting to authenticate as XXX
        [2]: need email verification
        [2]: Have steamid... it is 0x110000161977f97
Please check your email for the code
Code: : DY43T
        [2]: Retriving RSAKey for XXX
        [2]: Attempting to authenticate as XXX
        [2]: Protocol error: missing oath
panic: missing oauth

goroutine 1 [running]:
main.addAuthenticator()
        Programming/steambot/steamauth.go:35 +0xf05

Phone number added,
There is not a authenticator already in this steam account