Components not found after Upgrade to 6.6.2

I upgraded from foundation-rails 5.4.5 to 6.6.2
Thease are the steps

  1. Changed version to 6.6.2 in Gemfile
  2. bundle install
  3. rails g foundation:insall, did n for all files updates.
    No change in settings.

I am importing (this was added in 5.4.5 ver) in external.css
@import “foundation/components/grid”;
@import “foundation/components/reveal”;

When i start my getting below error