Speedtest Installation Failed

[esmondgh]

I got the below error when I run "npm run build".

<s> [webpack.Progress] 94% after seal
<s> [webpack.Progress] 100%

npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! speedtest-web@0.5.2 build: `webpack --env=prod --progress --profile --colors`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the speedtest-web@0.5.2 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\User\AppData\Roaming\npm-cache\_logs\2020-11-15T08_54_20_372Z-debug.log

lerna ERR! npm run build exited 2 in 'speedtest-web'
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! speedtest@0.5.2 build: `lerna run build`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the speedtest@0.5.2 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\User\AppData\Roaming\npm-cache\_logs\2020-11-15T08_54_20_893Z-debug.log

C:\Users\User\speedtest>