I get an error on npm start

[jonidelv]

This is the npm-debug.log

0 info it worked if it ends with ok 1 verbose cli [ '/usr/local/bin/node', '/usr/local/bin/npm', 'start' ] 2 info using [email protected] 3 info using [email protected] 4 verbose run-script [ 'prestart', 'start', 'poststart' ] 5 info lifecycle [email protected]~prestart: [email protected] 6 silly lifecycle [email protected]~prestart: no script for prestart, continuing 7 info lifecycle [email protected]~start: [email protected] 8 verbose lifecycle [email protected]~start: unsafe-perm in lifecycle true 9 verbose lifecycle [email protected]~start: PATH: /usr/local/lib/node_modules/npm/bin/node-gyp-bin:/Users/jonatan/projects/reactStarter/node_modules/.bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin 10 verbose lifecycle [email protected]~start: CWD: /Users/jonatan/projects/reactStarter 11 silly lifecycle [email protected]~start: Args: [ '-c', 11 silly lifecycle 'webpack-dev-server --config conf/webpack.config.js --hot --progress --colors --content-base ./build' ] 12 silly lifecycle [email protected]~start: Returned: code: 1 signal: null 13 info lifecycle [email protected]~start: Failed to exec start script 14 verbose stack Error: [email protected] start: webpack-dev-server --config conf/webpack.config.js --hot --progress --colors --content-base ./build 14 verbose stack Exit status 1 14 verbose stack at EventEmitter. (/usr/local/lib/node_modules/npm/lib/utils/lifecycle.js:232:16) 14 verbose stack at emitTwo (events.js:87:13) 14 verbose stack at EventEmitter.emit (events.js:172:7) 14 verbose stack at ChildProcess. (/usr/local/lib/node_modules/npm/lib/utils/spawn.js:24:14) 14 verbose stack at emitTwo (events.js:87:13) 14 verbose stack at ChildProcess.emit (events.js:172:7) 14 verbose stack at maybeClose (internal/child_process.js:818:16) 14 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5) 15 verbose pkgid [email protected] 16 verbose cwd /Users/jonatan/projects/reactStarter 17 error Darwin 15.3.0 18 error argv "/usr/local/bin/node" "/usr/local/bin/npm" "start" 19 error node v4.2.3 20 error npm v3.5.2 21 error code ELIFECYCLE 22 error [email protected] start: webpack-dev-server --config conf/webpack.config.js --hot --progress --colors --content-base ./build 22 error Exit status 1 23 error Failed at the [email protected] start script 'webpack-dev-server --config conf/webpack.config.js --hot --progress --colors --content-base ./build'. 23 error Make sure you have the latest version of node.js and npm installed. 23 error If you do, this is most likely a problem with the yarsk package, 23 error not with npm itself. 23 error Tell the author that this fails on your system: 23 error webpack-dev-server --config conf/webpack.config.js --hot --progress --colors --content-base ./build 23 error You can get information on how to open an issue for this project with: 23 error npm bugs yarsk 23 error Or if that isn't available, you can get their info via: 23 error npm owner ls yarsk 23 error There is likely additional logging output above. 24 verbose exit [ 1, true ]