Cannot read property 'properties' of undefined

[kikyo20]

不能正常npm run dev 和npm run build，错误是一样的
错误信息如下：

PS D:\webpackproject\webpack-mpa-sample-master> npm run dev

> webpack-mpa-sample@1.0.0 dev D:\webpackproject\webpack-mpa-sample-master
> webpack-dev-server --config webpack.dev.js

D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-cli\bin\config-yargs.js:89
                                describe: optionsSchema.definitions.output.properties.path.description,
                                                                           ^

TypeError: Cannot read property 'properties' of undefined
    at module.exports (D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-cli\bin\config-yargs.js:89:48)
    at Object.<anonymous> (D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-dev-server\bin\webpack-dev-server.js:84:40)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
    at startup (internal/bootstrap/node.js:236:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:560:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! webpack-mpa-sample@1.0.0 dev: `webpack-dev-server --config webpack.dev.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the webpack-mpa-sample@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\PC2018\AppData\Roaming\npm-cache\_logs\2018-10-11T01_34_53_195Z-debug.log
PS D:\webpackproject\webpack-mpa-sample-master> npm run build

> webpack-mpa-sample@1.0.0 build D:\webpackproject\webpack-mpa-sample-master
> webpack --config webpack.prod.js

D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-cli\bin\config-yargs.js:89
                                describe: optionsSchema.definitions.output.properties.path.description,
                                                                           ^

TypeError: Cannot read property 'properties' of undefined
    at module.exports (D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-cli\bin\config-yargs.js:89:48)
    at D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-cli\bin\webpack.js:60:27
    at Object.<anonymous> (D:\webpackproject\webpack-mpa-sample-master\node_modules\webpack-cli\bin\webpack.js:515:3)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Module.require (internal/modules/cjs/loader.js:637:17)
    at require (internal/modules/cjs/helpers.js:20:18)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! webpack-mpa-sample@1.0.0 build: `webpack --config webpack.prod.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the webpack-mpa-sample@1.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\PC2018\AppData\Roaming\npm-cache\_logs\2018-10-11T01_37_40_448Z-debug.log
PS D:\webpackproject\webpack-mpa-sample-master>

已经npm install安装依赖了

[Lsnsh]

webpack升级到v4.20.0导致到，将webpack-cli升级到3.1.1及以上即可
webpack/webpack#8082 (comment)