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

Your @angular-devkit is incompatible with @angular/cli version, so just install older one like this for example:

npm install @angular-devkit/build-angular@0.13.8 @angular-devkit/build-ng-packagr@0.13.8