trying to install pencil code at my server and getting ERROR when run GRUNT

[anapguerra]

trying to install pencil code at my server and getting ERROR when run GRUNT

[anapguerra]

module.js:338
throw err;
^
Error: Cannot find module 'coffee-script'
at Function.Module._resolveFilename (module.js:336:15)
at Function.Module._load (module.js:278:25)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object. (/home/servercode4sis/code.4sis.com.br/public/pencilcode/node_modules/grunt/lib/grunt.js:16:1)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)

[dinukadesilva]

@anapguerra

this should be some thing wrong in the node_modules

1. Are u getting errors at the npm installation
2. what is your operating system

[anapguerra]

npm installation was ok.
I am trying to install it at DreamhostVPS