[Fixed] Angular 2, ng serve Error: no errors

                                    So guys i created an app using angular-cli and it was giving error like shown in the pic below.

This problem is due to the latest version extract-text-webpack-plugin and to solve this problem just run the command shown in the picture below.

npm install extract-text-webpack-plugin@2.0.0-rc.0 --save-dev

And this will surely solve your problem.