I'm not fully understanding the reason for this error and how to solve it.
npm ERR! Linux 3.13.0-116-generic npm ERR! argv "/home/fmessias/.nvm/versions/node/v7.9.0/bin/node" "/home/fmessias/.nvm/versions/node/v7.9.0/bin/npm" "run" "build" npm ERR! node v7.9.0 npm ERR! npm v4.2.0 npm ERR! file sh npm ERR! code ELIFECYCLE npm ERR! errno ENOENT npm ERR! syscall spawn npm ERR! [email protected] build: 'grunt build' npm ERR! spawn ENOENT npm ERR! npm ERR! Failed at the [email protected] build script 'grunt build'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the node-red package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! grunt build npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs node-red npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls node-red npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! /home/fmessias/.npm/_logs/2017-04-20T17_54_48_272Z-debug.log
This error occurs when trying to build in the project.