The "include" tag has been deprecated in favor of "render"

[Mike Chacon]

https://developers.shopify.com/changelog/deprecating-the-include-liquid-tag-and-introducing-the-render-tag

On Feb 17, 2020, we expect apps to be updated to no longer rely on the benefits of the include tag. Apps should expect to function within the render tag. You can use a version of Debut that uses the render tag for your testing.