libsass bindings not found when using node-sass in nodejs

I fixed this issue by deleting the existing /node_modules folder and running npm update

You’ve probably tried to reinstall node-sass while using

npm install node-sass

npm uninstall node-sass
npm install node-sass

But node-sass is a C version of Sass. You have to use npm rebuild:

npm rebuild node-sass

If you're using node 4.x or later then you need to reinstall gulp-sass with:

npm uninstall --save-dev gulp-sass
npm install --save-dev gulp-sass@2

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