Errors: Data path “.builders['app-shell']” should have required property 'class'

Question

I am getting this error while running my application. Here are the details of my application.

Angular CLI: 7.3.3 
Node: 10.15.1 
Angular: 7.2.7 
@angular-de         


        

Answer 1

I changed @angular-devkit/build-angular": "0.9.0.1" to @angular-devkit/build-angular": "0.13.4" and it worked.