Schema validation failed with the following errors: Data path “.builders['app-shell']” should have required property 'class'

Question

Schema validation failed with the following errors:
  Data path \".builders[\'app-shell\']\" should have required property \'class\'.

Schema validation failed with the          


        

Answer 1

This is worked for me

1. npm uninstall @angular-devkit/build-angular
2. npm install @angular-devkit/build-angular@0.13.0

Answer 2

I have to say, if you don't want to change anything in package.json file, try to update your Node.js version to latest. (currently 12.13.1 LTS)

Answer 3

I got this issue when installing Bootstrap.

The following commands are what worked for me:

npm uninstall @angular-devkit/build-angular

npm install @angular-devkit/build-angular@0.13.0

Answer 4

Angular Cli 8 support Node Js 10.9+. After update Node.js to 10.16 works fine.

Answer 5

What i did was to uninstall and install the "^0.13.0". I confirm/ support this last answer. It worked for me as well. I had uninstall version "^0.800.0" and installed the "^0.13.0". rebuild your project it will work fine.