Run webpack to report an error: Cannot read property 'presetToOptions' of undefined

attempt to package a new project after installing npm, webpack and webpack-cli, and the error is as follows:

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:

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webpack.config.js is as follows:

module.exports = {
  entry: [
    "./src/js/index.js",
    "./src/js/test.js",
    "./src/js/test2.js",
  ],
  output: {
    filename: "build.min.js"
  }
};

could you tell me how to solve the problem? Using webpack 4

Mar.24,2021

should be related to, npm install-D webpack- g caused by the command used during installation. Reinstall webpack, webpack-cli, and other plug-ins all use npm install XXX-g.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e5d15c-43caf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5d15c-43caf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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