When trying to build angular project, i'm getting to following error:
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] (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\src\workspace\workspace.js:215:42) at MergeMapSubscriber._tryNext (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\mergeMap.js:69:27) at MergeMapSubscriber._next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\mergeMap.js:59:18) at MergeMapSubscriber.Subscriber.next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\Subscriber.js:67:18) at MergeMapSubscriber.notifyNext (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\mergeMap.js:92:26) at InnerSubscriber._next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\InnerSubscriber.js:28:21) at InnerSubscriber.Subscriber.next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\Subscriber.js:67:18) at MapSubscriber._next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\map.js:55:26) at MapSubscriber.Subscriber.next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\Subscriber.js:67:18) at SwitchMapSubscriber.notifyNext (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\switchMap.js:86:26) at InnerSubscriber._next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\InnerSubscriber.js:28:21) at InnerSubscriber.Subscriber.next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\Subscriber.js:67:18) at C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\util\subscribeTo.js:17:28 at Object.subscribeToResult (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\util\subscribeToResult.js:10:45) at SwitchMapSubscriber._innerSub (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\switchMap.js:65:54) at SwitchMapSubscriber._next (C:\Projects_GIT\Topocad_2020\StoreWeb\topostore.desktop\node_modules@angular-devkit\core\node_modules\rxjs\internal\operators\switchMap.js:55:14)
The package.json file:
The package.json file:
{
  "name": "topocad-mng-app",
  "version": "1.2.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve topoStore --port 4202",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e",
    "dev": "ng build topoStore --base-href /TopoStoreApp/ --output-path=DEV/TopoStoreApp",
    "dmz": "ng build topoStore --base-href /TopoStoreApp/ --output-path=DMZ/TopoStoreApp --configuration dmz",
    "stage": "ng build topoStore --base-href / --output-path=STAGE/TopoStoreApp --configuration stage",
    "prod": "ng build topoStore --base-href / --output-path=PROD/TopoStoreApp --configuration production",
    "start-dev-lior": "ng serve topoStore --configuration=devLior"
  },
  "private": true,
  "dependencies": {
    "@angular-devkit/build-angular": "^0.1000.4",
    "@angular/animations": "^7.2.10",
    "@angular/cdk": "^7.0.0",
    "@angular/common": "^7.2.10",
    "@angular/compiler": "^7.2.10",
    "@angular/core": "^7.2.10",
    "@angular/forms": "^7.2.10",
    "@angular/http": "^7.2.10",
    "@angular/platform-browser": "^7.2.10",
    "@angular/platform-browser-dynamic": "^7.2.10",
    "@angular/router": "^7.2.10",
    "@fortawesome/fontawesome-free": "^5.3.1",
    "@types/json-schema": "^6.0.1",
    "chart.js": "^2.9.4",
    "core-js": "^2.5.4",
    "es6-promise": "^4.2.8",
    "file-saver": "^2.0.0",
    "isomorphic-fetch": "^2.2.1",
    "ngx-print": "^1.2.0-beta.5",
    "primeicons": "^1.0.0-beta.9",
    "primeng": "^7.1.0",
    "rxjs": "^6.4.0",
    "zone.js": "^0.8.29"
  },
  "devDependencies": {
    "@angular-devkit/build-ng-packagr": "^0.1000.4",
    "@angular/cli": "^7.3.6",
    "@angular/compiler-cli": "^10.0.6",
    "@angular/language-service": "^7.2.10",
    "@types/jasmine": "~2.8.6",
    "@types/jasminewd2": "~2.0.3",
    "@types/node": "~8.9.4",
    "codelyzer": "~4.2.1",
    "jasmine-core": "~2.99.1",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "^5.1.1",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "~2.0.0",
    "karma-jasmine": "~1.1.1",
    "karma-jasmine-html-reporter": "^0.2.2",
    "ng-packagr": "^10.1.2",
    "protractor": "^7.0.0",
    "ts-node": "~5.0.1",
    "tsickle": ">=0.34.0",
    "tslib": "^1.9.0",
    "tslint": "~5.9.1",
    "typescript": "~3.2.4"
  }
}
cli version it's stopped working after installing node new version.
I have tried to reinstall angular cli and Node.js. Tried the suggestions from this question text but all avail. Other project works well.
any other suggestions?
Thanks, Asaf Levy
 
    