with shortcode form error “Please specify a valid form ID”

Hello !
I use mailpoet 3.0.7
When I use shortcode to print a subscription form, i have this error:
Screenshot: https://www.dropbox.com/s/3zn8rmcw10us89r/Captura%20de%20pantalla%202017-10-24%2013.29.57.png?dl=0

With mailpoet widget i have the same problem.

I’ve tried to create another form, but it does not work either

Can you help?

Thanks!