cli - angular material

La validación del esquema falló con los siguientes errores: La ruta de datos ".builders[''app-shell'']" debería tener la propiedad ''clase'' requerida

Question

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

Schema validation failed with the following errors:
  Data path ".builders[''app-shell'']" should have required property ''class''.
Error: Schema validation failed with the following errors:
  Data path ".builders[''app-shell'']" should have required property ''class''.
    at MergeMapSubscriber._registry.compile.pipe.operators_1.concatMap.validatorResult [as project] (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/@angular-devkit/core/src/workspace/workspace.js:210:42)
    at MergeMapSubscriber._tryNext (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/operators/mergeMap.js:65:27)
    at MergeMapSubscriber._next (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/operators/mergeMap.js:55:18)
    at MergeMapSubscriber.Subscriber.next (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/Subscriber.js:64:18)
    at MergeMapSubscriber.notifyNext (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/operators/mergeMap.js:84:26)
    at InnerSubscriber._next (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/InnerSubscriber.js:25:21)
    at InnerSubscriber.Subscriber.next (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/Subscriber.js:64:18)
    at MapSubscriber._next (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/operators/map.js:52:26)
    at MapSubscriber.Subscriber.next (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/Subscriber.js:64:18)
    at SwitchMapSubscriber.notifyNext (D:/repo/beauty-velvettes-web/node_modules/@angular/cli/node_modules/rxjs/internal/operators/switchMap.js:77:26)

Answer 1

Intente actualizar @angular/core usando ng update @angular/cli @angular/core

Answer 2

Intente package.json actualizado de "@ angular-devkit / build-angular": "^ 0.800.1" a "^ 0.12.4"

ejecuta "npm install"

Referencia: https://.com/a/56537342

Answer 3

Soporte Angi Cli 8 Nodo Js 10.9+. Después de la actualización Node.js a 10.16 funciona bien.