Cannot read property 'entryOption' of undefined

Hi,

I got this error when I try to launch the project “npm run start”

Could you help me please ?

Prompt error :

Cannot read property ‘entryOption’ of undefined npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! architectui-react-theme-free@1.0.0 start: cross-env NODE_PATH=./src node scripts/start.js npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the architectui-react-theme-free@1.0.0 start script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

Log error :

0 info it worked if it ends with ok 1 verbose cli [ ‘C:\Program Files\nodejs\node.exe’, 1 verbose cli ‘C:\Users\user\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js’, 1 verbose cli ‘run’, 1 verbose cli ‘start’ ] 2 info using npm@6.9.0 3 info using node@v10.15.3 4 verbose run-script [ ‘prestart’, ‘start’, ‘poststart’ ] 5 info lifecycle architectui-react-theme-free@1.0.0~prestart: architectui-react-theme-free@1.0.0 6 info lifecycle architectui-react-theme-free@1.0.0~start: architectui-react-theme-free@1.0.0 7 verbose lifecycle architectui-react-theme-free@1.0.0~start: unsafe-perm in lifecycle true 8 verbose lifecycle architectui-react-theme-free@1.0.0~start: PATH: C:\Users\user\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;D:\DEV\architectui-react\node_modules.bin;C:\Program Files\nodejs;C:\Users\user\AppData\Local\Microsoft\WindowsApps;C:\Users\user\AppData\Roaming\npm 9 verbose lifecycle architectui-react-theme-free@1.0.0~start: CWD: D:\DEV\architectui-react 10 silly lifecycle architectui-react-theme-free@1.0.0~start: Args: [ ‘/d /s /c’, 10 silly lifecycle ‘cross-env NODE_PATH=./src node scripts/start.js’ ] 11 silly lifecycle architectui-react-theme-free@1.0.0~start: Returned: code: 1 signal: null 12 info lifecycle architectui-react-theme-free@1.0.0~start: Failed to exec start script 13 verbose stack Error: architectui-react-theme-free@1.0.0 start: cross-env NODE_PATH=./src node scripts/start.js 13 verbose stack Exit status 1 13 verbose stack at EventEmitter.<anonymous> (C:\Users\user\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\index.js:301:16) 13 verbose stack at EventEmitter.emit (events.js:189:13) 13 verbose stack at ChildProcess.<anonymous> (C:\Users\user\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14) 13 verbose stack at ChildProcess.emit (events.js:189:13) 13 verbose stack at maybeClose (internal/child_process.js:970:16) 13 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:259:5) 14 verbose pkgid architectui-react-theme-free@1.0.0 15 verbose cwd D:\DEV\architectui-react 16 verbose Windows_NT 10.0.17763 17 verbose argv “C:\Program Files\nodejs\node.exe” “C:\Users\user\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js” “run” “start” 18 verbose node v10.15.3 19 verbose npm v6.9.0 20 error code ELIFECYCLE 21 error errno 1 22 error architectui-react-theme-free@1.0.0 start: cross-env NODE_PATH=./src node scripts/start.js 22 error Exit status 1 23 error Failed at the architectui-react-theme-free@1.0.0 start script. 23 error This is probably not a problem with npm. There is likely additional logging output above. 24 verbose exit [ 1, true ]

[ralewis85]

You just need to remove ^ from webpack-dev-server in your package.json file. I have opened a PR to fix this issue.

[muzeyr]

Maybe this code will help you,

npm install webpack-dev-server@2.9.7 --save-dev