error on running node planout.js with demo .planout file.

[leninworld]

I am getting this error on running the command 'node planout.js ../demos/sample_scripts/exp1.planout'

module.js:549
throw err;
^
Error: Cannot find module '/home/len/workspace/di2-data-services/folder1/folder2/app/planout_v2/planout.js'
at Function.Module._resolveFilename (module.js:547:15)
at Function.Module._load (module.js:474:25)
at Function.Module.runMain (module.js:693:10)
at startup (bootstrap_node.js:188:16)
at bootstrap_node.js:609:3