Angular-cli: ng serve with schema validation error

[Qlenglet]

Hello everybody,

I am facing an issue with the command ng serve. I have a following error :
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] (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/src/workspace/workspace.js:215:42) at MergeMapSubscriber._tryNext (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/mergeMap.js:69:27) at MergeMapSubscriber._next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/mergeMap.js:59:18) at MergeMapSubscriber.Subscriber.next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/Subscriber.js:67:18) at MergeMapSubscriber.notifyNext (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/mergeMap.js:92:26) at InnerSubscriber._next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/InnerSubscriber.js:28:21) at InnerSubscriber.Subscriber.next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/Subscriber.js:67:18) at MapSubscriber._next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/map.js:55:26) at MapSubscriber.Subscriber.next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/Subscriber.js:67:18) at SwitchMapSubscriber.notifyNext (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/switchMap.js:86:26) at InnerSubscriber._next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/InnerSubscriber.js:28:21) at InnerSubscriber.Subscriber.next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/Subscriber.js:67:18) at /home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/util/subscribeTo.js:17:28 at Object.subscribeToResult (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/util/subscribeToResult.js:10:45) at SwitchMapSubscriber._innerSub (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/switchMap.js:65:54) at SwitchMapSubscriber._next (/home/quentin/Téléchargements/quentin/AngularAmplify/node_modules/@angular-devkit/core/node_modules/rxjs/internal/operators/switchMap.js:55:14)

My angular.json file is like this :

{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 5,
"newProjectRoot": "projects",
"projects": {
"Gene": {
"root": "",
"sourceRoot": "src",
"projectType": "application",
"architect": {
"build": {
"builder": "@angular-devkit/build-angular:browser",
"options": {
"outputPath": "dist",
"index": "src/index.html",
"main": "src/main.ts",
"tsConfig": "src/tsconfig.app.json",
"polyfills": "src/polyfills.ts",
"assets": [
"src/assets"
],
"styles": [
"src/assets/scss/style.scss",
"node_modules/videogular2/fonts/videogular.css",
"node_modules/angular-instantsearch/bundles/instantsearch.min.css",
"node_modules/angular-instantsearch/bundles/instantsearch-theme-algolia.min.css",
"node_modules/ngx-toastr/toastr.css",
"node_modules/quill/dist/quill.snow.css",
"node_modules/leaflet/dist/leaflet.css",
"node_modules/angular-calendar/css/angular-calendar.css",
"node_modules/@swimlane/ngx-datatable/release/index.css",
"node_modules/@swimlane/ngx-datatable/release/themes/material.css",
"node_modules/@swimlane/ngx-datatable/assets/icons.css",
"node_modules/nvd3/build/nv.d3.css",
"node_modules/font-awesome/css/font-awesome.css",
"node_modules/cryptocoins-icons/webfont/cryptocoins.css",
"src/assets/fonts/data-table/icons.css",
"node_modules/dragula/dist/dragula.css",
"node_modules/angular-tree-component/dist/angular-tree-component.css",
"node_modules/nouislider/distribute/nouislider.min.css",
"node_modules/slick-carousel/slick/slick.scss",
"node_modules/slick-carousel/slick/slick-theme.scss",
"node_modules/ngx-bar-rating/themes/br-default-theme.css"
],
"scripts": [
"node_modules/jquery/dist/jquery.min.js",
"node_modules/slick-carousel/slick/slick.min.js",
"node_modules/hammerjs/hammer.js",
"node_modules/sortablejs/Sortable.js",
"node_modules/chart.js/dist/Chart.bundle.min.js",
"node_modules/easy-pie-chart/dist/easypiechart.js"
]
},
"configurations": {
"production": {
"optimization": true,
"outputHashing": "all",
"sourceMap": false,
"extractCss": true,
"namedChunks": false,
"aot": true,
"extractLicenses": true,
"vendorChunk": true,
"buildOptimizer": false,
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
}
]
}
}
},
"serve": {
"builder": "@angular-devkit/build-angular:dev-server",
"options": {
"browserTarget": "Gene:build"
},
"configurations": {
"production": {
"browserTarget": "Gene:build:production"
}
}
},
"extract-i18n": {
"builder": "@angular-devkit/build-angular:extract-i18n",
"options": {
"browserTarget": "Gene:build"
}
},
"test": {
"builder": "@angular-devkit/build-angular:karma",
"options": {
"main": "src/test.ts",
"karmaConfig": "./karma.conf.js",
"polyfills": "src/polyfills.ts",
"tsConfig": "src/tsconfig.spec.json",
"scripts": [
"node_modules/jquery/dist/jquery.min.js",
"node_modules/slick-carousel/slick/slick.min.js",
"node_modules/hammerjs/hammer.js",
"node_modules/sortablejs/Sortable.js",
"node_modules/chart.js/dist/Chart.bundle.min.js",
"node_modules/easy-pie-chart/dist/easypiechart.js",
],
"styles": [
"src/assets/scss/style.scss",
"node_modules/videogular2/fonts/videogular.css",
"node_modules/angular-instantsearch/bundles/instantsearch.min.css",
"node_modules/angular-instantsearch/bundles/instantsearch-theme-algolia.min.css",
"node_modules/ngx-toastr/toastr.css",
"node_modules/quill/dist/quill.snow.css",
"node_modules/leaflet/dist/leaflet.css",
"node_modules/angular-calendar/css/angular-calendar.css",
"node_modules/@swimlane/ngx-datatable/release/index.css",
"node_modules/@swimlane/ngx-datatable/release/themes/material.css",
"node_modules/@swimlane/ngx-datatable/assets/icons.css",
"node_modules/nvd3/build/nv.d3.css",
"node_modules/font-awesome/css/font-awesome.css",
"node_modules/cryptocoins-icons/webfont/cryptocoins.css",
"src/assets/fonts/data-table/icons.css",
"node_modules/dragula/dist/dragula.css",
"node_modules/angular-tree-component/dist/angular-tree-component.css",
"node_modules/nouislider/distribute/nouislider.min.css",
"node_modules/slick-carousel/slick/slick.scss",
"node_modules/slick-carousel/slick/slick-theme.scss",
"node_modules/ngx-bar-rating/themes/br-default-theme.css"
],
"assets": [
"src/assets"
]
}
},
"lint": {
"builder": "@angular-devkit/build-angular:tslint",
"options": {
"tsConfig": [
"src/tsconfig.app.json",
"src/tsconfig.spec.json"
],
"exclude": []
}
}
}
},
"Gene-e2e": {
"root": "",
"sourceRoot": "e2e",
"projectType": "application",
"architect": {
"e2e": {
"builder": "@angular-devkit/build-angular:protractor",
"options": {
"protractorConfig": "./protractor.conf.js",
"devServerTarget": "Gene:serve"
}
},
"lint": {
"builder": "@angular-devkit/build-angular:tslint",
"options": {
"tsConfig": [
"e2e/tsconfig.e2e.json"
],
"exclude": []
}
}
}
}
},
"defaultProject": "Gene",
"schematics": {
"@schematics/angular:component": {
"prefix": "ms",
"styleext": "scss"
},
"@schematics/angular:directive": {
"prefix": "ms"
}
}
}

Can you help me ?

Thanks a lot

[elvisbegovic]

Can you please use template issue to fill bug?
If you have bug/need help you should follow https://github.com/angular/angular-cli/blob/master/CONTRIBUTING.md#submit-issue to report it .

[LWASALAW]

you only need to upgrade your Angular to the current version 8 using : ng update @angular/cli @angular/core

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