In angular 8, when uplaod the build error occurs due to polyfills-es2015.

[NikitaPooja]

In angular 8, When I upload the build error occurs

Error :-

polyfills-es2015.db074f152f5fbfd29825.js:1 Uncaught TypeError: Cannot set property 'true' of undefined
at Object.6dTf (polyfills-es2015.db074f152f5fbfd29825.js:1)
at a (runtime-es2015.30fc626ba611e35f5ac3.js:1)
at Module.hN/g (polyfills-es2015.db074f152f5fbfd29825.js:1)
at a (runtime-es2015.30fc626ba611e35f5ac3.js:1)
at Object.1 (polyfills-es2015.db074f152f5fbfd29825.js:1)
at a (runtime-es2015.30fc626ba611e35f5ac3.js:1)
at t (runtime-es2015.30fc626ba611e35f5ac3.js:1)
at Array.r [as push] (runtime-es2015.30fc626ba611e35f5ac3.js:1)
at polyfills-es2015.db074f152f5fbfd29825.js:1
How to resolve this error.

Environment:-

Angular CLI: 8.0.1
Node: 10.15.3
OS: linux x64
Angular: 8.0.0
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... platform-server, router

Package Version

@angular-devkit/architect 0.800.1
@angular-devkit/build-angular 0.800.1
@angular-devkit/build-optimizer 0.800.1
@angular-devkit/build-webpack 0.800.1
@angular-devkit/core 8.0.1
@angular-devkit/schematics 8.0.1
@angular/cli 8.0.1
@angular/http 7.2.15
@ngtools/webpack 8.0.1
@schematics/angular 8.0.1
@schematics/update 0.800.1
rxjs 6.5.2
typescript 3.4.5
webpack 4.30.0
I am used ng build --prod --aot --build-optimizer command to build the app.