Npm run dev error

error running npm run dev

vue-admin-template@3.0.0 dev d:\Dev\deer_distribution_admin
> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js

d:\Dev\deer_distribution_admin\node_modules\ajv-keywords\keywords\instanceof.js:52
    throw new Error("invalid "instanceof" keyword value " + c);
    ^

Error: invalid "instanceof" keyword value Promise
    at getConstructor (d:\Dev\deer_distribution_admin\node_modules\ajv-keywords\keywords\instanceof.js:52:11)
    at Ajv.compile (d:\Dev\deer_distribution_admin\node_modules\ajv-keywords\keywords\instanceof.js:21:27)
    at Object.useCustomRule (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\compile\index.js:275:26)
    at Object.generate_custom [as code] (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\dotjs\custom.js:32:24)
    at Object.generate_validate [as validate] (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\dotjs\validate.js:347:35)
    at Object.generate_anyOf [as code] (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\dotjs\anyOf.js:34:27)
    at generate_validate (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\dotjs\validate.js:347:35)
    at localCompile (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\compile\index.js:87:22)
    at Ajv.compile (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\compile\index.js:56:13)
    at Ajv._compile (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\ajv.js:358:27)
    at Ajv.compile (d:\Dev\deer_distribution_admin\node_modules\ajv\lib\ajv.js:118:37)
    at validateObject (d:\Dev\deer_distribution_admin\node_modules\webpack\lib\validateSchema.js:36:23)
    at validateSchema (d:\Dev\deer_distribution_admin\node_modules\webpack\lib\validateSchema.js:31:10)
    at processConfiguredOptions (d:\Dev\deer_distribution_admin\node_modules\webpack-cli\bin\convert-argv.js:156:48)
    at module.exports (d:\Dev\deer_distribution_admin\node_modules\webpack-cli\bin\convert-argv.js:150:10)
    at Object.<anonymous> (d:\Dev\deer_distribution_admin\node_modules\webpack-dev-server\bin\webpack-dev-server.js:92:55)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! vue-admin-template@3.0.0 dev: `webpack-dev-server --inline --progress --config build/webpack.dev.conf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vue-admin-template@3.0.0 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\Administrator\AppData\Roaming\npm-cache\_logs\2018-12-05T07_09_53_189Z-debug.log
Jan.11,2022

version compatibility problem, search engine helps you.
webpack
webpack-cli
webpack-dev-server

reference:
https://github.com/webpack/we.
https://blog.csdn.net/wxl1555.
https:// Www.cnblogs.com/doing.

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-64f5-1e50b9d-5a123.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e50b9d-5a123.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?