ruby - How to solve error message "Cannot find module 'abbrev' -


my question similar how resolve "cannot find module" error using node.js? cannot solve problem using information provided in answer given.

i try run uncss grunt plugin, when try install (npm install grunt-uncss --save-dev), following error:

$ npm install grunt-uncss --save-dev  module.js:340     throw err;           ^ error: cannot find module 'abbrev'     @ function.module._resolvefilename (module.js:338:15)     @ function.module._load (module.js:280:25)     @ module.require (module.js:364:17)     @ require (module.js:380:17)     @ object.<anonymous> (/usr/local/cellar/node/0.10.20/lib/node_modules/npm/node_modules/nopt/lib/nopt.js:10:14)     @ module._compile (module.js:456:26)     @ object.module._extensions..js (module.js:474:10)     @ module.load (module.js:356:32)     @ function.module._load (module.js:312:12)     @ module.require (module.js:364:17)

based on answer mentioned above, tried installing 'abbrev' module, both in project folder, , globally, yields exact same error :(

npm install -g abbrev  module.js:340     throw err;           ^ error: cannot find module 'abbrev'     @ function.module._resolvefilename (modu    (etcetera)

main question: how solve error?

sub questions: 1) wonder, ruby error or node.js error? noticed 'abbrev' ruby command...? 2) or, problem have arisen because tried solve bus error: 10 ? (http://shoogledesigns.com/blog/blog/2014/01/13/gruntjs-running-watch-task-waiting-bus-error-10/)

i hope question doesn't sound obvious. i'm front-end developer, far command-line guru!

removing node-modules , reinstalling modules specified in package.json worked me.

i did runnning following commands:

rm -rf node-modules npm install

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