When i start 'ionic serve' i have this issue
[ng] ERROR in The target entry-point "ngx-restangular" has missing dependencies: [ng] - core-js/features/object
And the app don't show in browser.
My Package.json

"dependencies": {
"@angular/common": "~9.0.7",
"@angular/core": "~9.0.7",
"@angular/forms": "~9.0.7",
"@angular/platform-browser": "~9.0.7",
"@angular/platform-browser-dynamic": "~9.0.7",
"@angular/router": "~9.0.7",
"@ionic-native/core": "^5.0.7",
"@ionic-native/geolocation": "^5.27.0",
"@ionic-native/in-app-browser": "^5.35.0",
"@ionic-native/native-geocoder": "^5.27.0",
"@ionic-native/splash-screen": "^5.0.0",
"@ionic-native/status-bar": "^5.0.0",
"@ionic/angular": "^5.0.0",
"cordova-android": "~7.0.0",
"cordova-ios": "^5.1.1",
"cordova-plugin-add-swift-support": "^2.0.2",
"cordova-plugin-geolocation": "^4.1.0",
"cordova-plugin-nativegeocoder": "^3.4.1",
"ngx-permissions": "^8.1.1",
"ngx-restangular": "^5.0.0",
"rxjs": "~6.5.4",
"tslib": "^1.10.0",
"zone.js": "~0.10.2"

}, "devDependencies": { "@angular-devkit/build-angular": "~0.901.5", "@angular/cli": "9.1.15", "@angular/compiler": "~9.0.7", "@angular/compiler-cli": "~9.0.7", "@angular/language-service": "~9.0.7", "@ionic/angular-toolkit": "^2.1.1", "@types/jasmine": "~3.5.0", "@types/jasminewd2": "~2.0.3", "@types/node": "^12.11.1", "codelyzer": "^5.1.2", "cordova-plugin-device": "^2.0.2", "cordova-plugin-ionic-keyboard": "^2.2.0", "cordova-plugin-ionic-webview": "^4.2.1", "cordova-plugin-splashscreen": "^5.0.2", "cordova-plugin-statusbar": "^2.4.2", "cordova-plugin-whitelist": "^1.3.3", "jasmine-core": "~3.5.0", "jasmine-spec-reporter": "~4.2.1", "karma": "~5.0.0", "karma-chrome-launcher": "~3.1.0", "karma-coverage-istanbul-reporter": "~2.1.0", "karma-jasmine": "~3.0.1", "karma-jasmine-html-reporter": "^1.4.2", "moment": "^2.29.1", "protractor": "~5.4.3", "ts-node": "~8.3.0", "tslint": "~6.1.0", "typescript": "~3.7.3" },
Help please