![Any build fails after updating angular-devkit/build-angular · Issue #12776 · angular/angular-cli · GitHub Any build fails after updating angular-devkit/build-angular · Issue #12776 · angular/angular-cli · GitHub](https://user-images.githubusercontent.com/21989873/47600163-6de04880-d9c5-11e8-8dcd-e35c2a224b30.png)
Any build fails after updating angular-devkit/build-angular · Issue #12776 · angular/angular-cli · GitHub
![How Do I Configure the Web Server Port in the Angular CLI? | by Jeffry Houser | disney-streaming | Medium How Do I Configure the Web Server Port in the Angular CLI? | by Jeffry Houser | disney-streaming | Medium](https://miro.medium.com/v2/resize:fit:1170/1*G-dKYfGvoVh7nA05g1G4BQ.png)
How Do I Configure the Web Server Port in the Angular CLI? | by Jeffry Houser | disney-streaming | Medium
![node.js - Could not find the implementation for builder @angular-devkit/ build-angular:dev-server on ng serve command - Stack Overflow node.js - Could not find the implementation for builder @angular-devkit/ build-angular:dev-server on ng serve command - Stack Overflow](https://i.stack.imgur.com/0UgVy.png)
node.js - Could not find the implementation for builder @angular-devkit/ build-angular:dev-server on ng serve command - Stack Overflow
![Could not find the implementation for builder @angular-devkit/build-angular: dev-server | TheCodeBuzz Could not find the implementation for builder @angular-devkit/build-angular: dev-server | TheCodeBuzz](https://i1.wp.com/thecodebuzz.com/wp-content/uploads/2019/07/ng-build-angular8-app-2.jpg?fit=785%2C365&ssl=1)
Could not find the implementation for builder @angular-devkit/build-angular: dev-server | TheCodeBuzz
![javascript - ./src/main.ts - Error: Module build failed (from ./node_modules/@angular-devkit/build-angular/node_modules/@ngtools/webpack/src/ivy/index.js): - Stack Overflow javascript - ./src/main.ts - Error: Module build failed (from ./node_modules/@angular-devkit/build-angular/node_modules/@ngtools/webpack/src/ivy/index.js): - Stack Overflow](https://i.stack.imgur.com/DtdYp.png)
javascript - ./src/main.ts - Error: Module build failed (from ./node_modules/@angular-devkit/build-angular/node_modules/@ngtools/webpack/src/ivy/index.js): - Stack Overflow
![serve - Error: Can't resolve 'core-js/es7/reflect' in '\node_modules\@ angular-devkit\build-angular\src\angular-cli-files\models - Stack Overflow serve - Error: Can't resolve 'core-js/es7/reflect' in '\node_modules\@ angular-devkit\build-angular\src\angular-cli-files\models - Stack Overflow](https://i.stack.imgur.com/XCSsR.png)
serve - Error: Can't resolve 'core-js/es7/reflect' in '\node_modules\@ angular-devkit\build-angular\src\angular-cli-files\models - Stack Overflow
GitHub - angular/angular-devkit-build-angular-builds: Build artifacts for @ angular-devkit/build-angular
![An unhandled exception occurred: Cannot find module '@angular-devkit/build- angular/src/webpack/utils/helpers' - Ionic Framework - Ionic Forum An unhandled exception occurred: Cannot find module '@angular-devkit/build- angular/src/webpack/utils/helpers' - Ionic Framework - Ionic Forum](https://global.discourse-cdn.com/ionicframework/original/3X/7/c/7cc5b178b442f1cad685547947ba80a9ab71498f.png)
An unhandled exception occurred: Cannot find module '@angular-devkit/build- angular/src/webpack/utils/helpers' - Ionic Framework - Ionic Forum
![node.js - Could not find the '@angular-devkit/build-angular:browser' builder's node package - Stack Overflow node.js - Could not find the '@angular-devkit/build-angular:browser' builder's node package - Stack Overflow](https://i.stack.imgur.com/HPual.png)