Gulp Sass throws errors about breakpoints in 6.6.1

Hi,
I have just updated my node version to 8.12.0, and foundation sites from 6.4.4-rc1 to 6.6.1.

Now I get errors about breakpoints

WARNING: breakpoint(): “sl-remove(small medium large xlarge, small)” is not defined in your $breakpoints or $breakpoints-hidpi setting.

then:

WARNING: null was passed to rem-calc(), which is not a number.
on line 78 of node_modules/foundation-sites/scss/util/_unit.scss, in function -zf-to-rem

Then gulp sass errors.

Does anybody have any ideas?

Thanks
Joe

Hi, this is just a warning (not an error) and can be safely ignored =) We are aware of this.

Hi @DanielRuf,
Thanks - i still get this though (sass is the name of my gulp task):

Error in plugin “sass”
Message:
node_modules\foundation-sites\scss\grid_row.scss
Error: Invalid null operation: “null div 2”.
on line 83 of node_modules/foundation-sites/scss/grid/_row.scss, in mixin @content

Is this likely a problem with my gulp versions then?

Thanks
Joe

Did you delete any of the breakpoints? Please check your settings.scss file if there are too many or some missing.

It should be this: https://github.com/foundation/foundation-sites/blob/ec15ea6853c9728c1d3a6c0d5294c83972873fb6/scss/settings/_settings.scss#L108-L114