Error during posintall script during npm install about youtubedl-material HOT 5 CLOSED

39611 silly lifecycle   'ng build --prod && mkdir dist/backend && mkdir dist/backend/config && mkdir dist/backend/audio && mkdir dist/backend/video && cp src/assets/default.json dist/backend/config/default.json && cp backend/app.js dist/backend/app.js' ]
39612 silly lifecycle [email protected]~postinstall: Returned: code: 1  signal: null
39613 info lifecycle [email protected]~postinstall: Failed to exec postinstall script
39614 verbose stack Error: [email protected] postinstall: `ng build --prod && mkdir dist/backend && mkdir dist/backend/config && mkdir dist/backend/audio && mkdir dist/backend/video && cp src/assets/default.json dist/backend/config/default.json && cp backend/app.js dist/backend/app.js`
39614 verbose stack Exit status 1
39614 verbose stack     at EventEmitter.<anonymous> (C:\Users\username\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\index.js:332:16)
39614 verbose stack     at EventEmitter.emit (events.js:182:13)
39614 verbose stack     at ChildProcess.<anonymous> (C:\Users\username\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
39614 verbose stack     at ChildProcess.emit (events.js:182:13)
39614 verbose stack     at maybeClose (internal/child_process.js:962:16)
39614 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:251:5)
39615 verbose pkgid [email protected]
39616 verbose cwd C:\Users\username\YouTubeDL\YoutubeDL-Material
39617 verbose Windows_NT 10.0.17763
39618 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\andrew.wiebe\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "install"
39619 verbose node v10.15.0
39620 verbose npm  v6.13.4
39621 error code ELIFECYCLE
39622 error errno 1
39623 error [email protected] postinstall: `ng build --prod && mkdir dist/backend && mkdir dist/backend/config && mkdir dist/backend/audio && mkdir dist/backend/video && cp src/assets/default.json dist/backend/config/default.json && cp backend/app.js dist/backend/app.js`
39623 error Exit status 1
39624 error Failed at the [email protected] postinstall script.
39624 error This is probably not a problem with npm. There is likely additional logging output above.
39625 verbose exit [ 1, true ]