Laravel Mix Error - laravel-5

Question

Very new to Laravel. Attempting to Larvel 5.4 mix. After running npm install and npm run dev I get the following error in npm-debug.log:
0 info it worked if it ends with ok
1 verbose cli [ '/usr/local/bin/node', '/usr/local/bin/npm', 'run', 'dev' ]
2 info using npm#2.15.9
3 info using node#v4.5.0
4 verbose run-script [ 'predev', 'dev', 'postdev' ]
5 info predev #
6 info dev #
7 verbose unsafe-perm in lifecycle true
8 info # Failed to exec dev script
9 verbose stack Error: # dev: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js`
9 verbose stack Exit status 1
9 verbose stack at EventEmitter.<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/lifecycle.js:217:16)
9 verbose stack at emitTwo (events.js:87:13)
9 verbose stack at EventEmitter.emit (events.js:172:7)
9 verbose stack at ChildProcess.<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/spawn.js:24:14)
9 verbose stack at emitTwo (events.js:87:13)
9 verbose stack at ChildProcess.emit (events.js:172:7)
9 verbose stack at maybeClose (internal/child_process.js:829:16)
9 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5)
10 verbose pkgid #
11 verbose cwd /Users/jluser/htdocs/laravel/project
12 error Darwin 16.4.0
13 error argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "dev"
14 error node v4.5.0
15 error npm v2.15.9
16 error code ELIFECYCLE
17 error # dev: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js`
17 error Exit status 1
18 error Failed at the # dev script 'cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js'.
18 error This is most likely a problem with the package,
18 error not with npm itself.
18 error Tell the author that this fails on your system:
18 error cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js
18 error You can get information on how to open an issue for this project with:
18 error npm bugs
18 error Or if that isn't available, you can get their info via:
18 error
18 error npm owner ls
18 error There is likely additional logging output above.
19 verbose exit [ 1, true ]
And the following error inline:
> # dev /Users/jluser/htdocs/laravel/project
> cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js
events.js:141
throw er; // Unhandled 'error' event
^
Error: spawn node_modules/webpack/bin/webpack.js ENOENT
at exports._errnoException (util.js:907:11)
at Process.ChildProcess._handle.onexit (internal/child_process.js:178:32)
at onErrorNT (internal/child_process.js:344:16)
at nextTickCallbackWith2Args (node.js:442:9)
at process._tickCallback (node.js:356:17)
at Function.Module.runMain (module.js:443:11)
at startup (node.js:139:18)
at node.js:974:3
npm ERR! Darwin 16.4.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "dev"
npm ERR! node v4.5.0
npm ERR! npm v2.15.9
npm ERR! code ELIFECYCLE
npm ERR! # dev: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the # dev script 'cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js'.
npm ERR! This is most likely a problem with the package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!
npm ERR! npm owner ls
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /Users/jluser/htdocs/laravel/project/npm-debug.log
I installed webpage globally. This is brand new installation of Laravel, no modifications to webpack.mix.js or any other front-end files.

Answer 1

Upgraded Node.js to latest stable version; resolved issue.