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In fact, the module gulp-minify-css installed long ago, only the version is outdated.

This error crashes if new versions of installed modules. After the upgrade(re-installation) of the specified module everything works fine. Only if the modules of more than 10 pieces, have them update every. Tell me how to update everything.

Proshka
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    Possible duplicate of [How do I update each dependency in package.json to the latest version?](http://stackoverflow.com/questions/16073603/how-do-i-update-each-dependency-in-package-json-to-the-latest-version) – Emile Bergeron Apr 27 '17 at 18:37

1 Answers1

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Use bellow commands (I have used in Ubuntu)

sudo npm install gulp-minify-css 

important :

sudo npm install 'modules to be install'
Saphal Jha
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