Hi Vinicius Vanzin,
Sorry for the inconvenience ,we had upgraded our theme to version 2.0.0. Please update your theme to latest version.
Here in the tutorial we have taken flat responsive as an example, you can applied same for encase theme.
https://www.styledthemes.com/wordpress-tutorials/410…ling-updating-themes
If you got any problems on this please don’t hesitate to reach back out to us. We will be more than glad to assist you
Thanks