Error Compiling Sass Assets

Middleman sass compiling error

While you were made web template with haml and sass, if you use middleman and bootstrap for your web template and your project give you like,

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Error compiling CSS asset
NoMethodError: undefined method `font_path` for nil:NilClass

error.

You can fix like with edit your Gemfile

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gem 'bootstrap-sass', '~> 3.1.1'
gem 'middleman-sprockets', '3.2.2'
gem 'middleman-bootstrap-navbar','~>2.0'

Then you can write in terminal bundle install Than if errors didn’t fixed, you should write on terminal

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bundle update middleman-sprockets

If you want to researches with details, you should look this page

That’s all.

I hope helped to you.