You need to make sure you have the @angular/localize package first: npm install @angular/localize –save Then, import ‘@angular/localize/init’ in your polyfills.ts file just like the error says
This error happens if any component is exported in NgModuleand not included in your public_api.ts, Angular 9 will throw an error now. This error was not coming in Angular 8 but after upgrading to Angular 9 it started showing. If you exported any service, module or component, etc in NgModule make sure to include them … Read more
It seems to be an issue with @angular-devkit/build-angular.. Try downgrading it to a specific version: npm i @angular-devkit/build-angular@0.803.24
This is not related to an HTTP proxy. You have dependency conflict (incorrect and potentially broken dependency) as it says, so try to run the command with –force, or –legacy-peer-deps. If it doesn’t take effect, the temporary solution is using prior versions of the Node.js (downgrading the Node.js version) as it causes this kind of … Read more