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

Try update the package.json file from

  "@angular-devkit/build-angular": "^0.800.1" 

to

  "@angular-devkit/build-angular": "^0.12.4"

Then run npm install in the command line.