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When I run npm run build in my Vuejs application I get the following error:

compiler.hooks.compilation.tap(
^
TypeError: Cannot read property 'compilation' of undefined
at OptimizeCssAssetsWebpackPlugin.apply (C:\Users\EFOSA\Desktop\my_project\client\node_modules\last-call-webpack-plugin\src\index.js:170:20)
at Compiler.apply (C:\Users\EFOSA\Desktop\my_project\client\node_modules\tapable\lib\Tapable.js:375:16)
at webpack (C:\Users\EFOSA\Desktop\my_project\client\node_modules\webpack\lib\webpack.js:33:19)
at err (C:\Users\EFOSA\Desktop\my_project\client\build\build.js:19:3)
at next (C:\Users\EFOSA\Desktop\my_project\client\node_modules\rimraf\rimraf.js:75:7)
at CB (C:\Users\EFOSA\Desktop\my_project\client\node_modules\rimraf\rimraf.js:111:9)
at C:\Users\EFOSA\Desktop\my_project\client\node_modules\rimraf\rimraf.js:137:14
at FSReqWrap.oncomplete (fs.js:154:21)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] build: node build/build.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] 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\EFOSA\AppData\Roaming\npm-cache_logs\2019-07-02T07_51_40_908Z-debug.log

I'm running webpack 3.12. Could someone please help me with this?

1 Answer 1

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There is a problem with your configuration and/or plugin version. Check the optimize-css-assets-webpack-plugin documentation:

For webpack v3 or below please use [email protected]. The [email protected] version and above supports webpack v4.

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1 Comment

thanks for the detail information detailed information

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