ERROR in Failed to resolve module @ angular / router / src / router_config_loader

Question

When I switched to Angular4.0.0-rc.1 , during build I got an error ( npm start):

ERROR in Failed to resolve @ angular / router / src / router_config_loader module

Is the problem known?

Answer 1

This solution is from: Unable to upgrade an existing Angular Cli project to Angular 4 Rc1

npm install @angular/common@next --save
npm install @angular/compiler@next --save
npm install @angular/compiler-cli@next --save
npm install @angular/core@next --save
npm install @angular/forms@next --save
npm install @angular/http@next --save
npm install @angular/platform-browser@next --save
npm install @angular/platform-browser-dynamic@next --save
npm install @angular/platform-server@next --save
npm install @angular/router@next --save
npm install @angular/animations@next --save