Angular + Sortable error

<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <script type="text/javascript" charset="utf-8">
      window.AngularVersionForThisPlunker = 'latest'
    </script>
    <title>angular playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>

/* Styles go here */

### Angular Starter Plunker - Typescript

var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
  angularVersion = ''; //picks up latest
}
else {
  angularVersion = '@' + window.AngularVersionForThisPlunker;
}

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    '@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
    '@angular/common/http': 'npm:@angular/common' + angularVersion + '/bundles/common-http.umd.js',
    '@angular/compiler': 'npm:@angular/compiler' + angularVersion  + '/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
    '@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
    '@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
    '@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
    '@angular/common/http/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-http-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
    'tslib': 'npm:tslib@1.6.1',
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.2.1/lib/typescript.js',
    'angular-sortablejs': 'https://cdn.jsdelivr.net/npm/angular-sortablejs@2.4.1/dist/',
    'sortablejs': 'https://cdn.jsdelivr.net/npm/sortablejs@1.7.0/Sortable.min.js',
  },
  //packages defines our app package
  packages: {
    'angular-sortablejs': { main: 'index.js', defaultExtension: 'js' },
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});

//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import {Component, NgModule, VERSION, OnInit} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import { SortablejsModule, SortablejsOptions } from 'angular-sortablejs';
import { Routes, RouterModule, ActivatedRoute } from '@angular/router';

@Component({
  selector: 'my-app',
  template: `<router-outlet></router-outlet>`,
})
export class App {

}

@Component({
  selector: 'my-cards',
  template: `
  <p> Try to move buttons </p>
   <div class="group" *ngFor="let group of groups" [sortablejs]="group.cards" [sortablejsOptions]="sortableOptions">
    <div class="card" *ngFor="let card of group.cards">
        <button routerLink="card/edit/{{card.id}}">Edit {{card.id}}</button>
    </div>
    <hr />
</div>
  `,
})
export class Cards {
  groups = [
    {
      id: 1,
      cards: [
        {
          id: 1,
        },
        {
          id: 2,
        },
        {
          id: 3,
        }
      ]
    },
    {
      id: 2,
      cards: [
        {
          id: 4,
        },
        {
          id: 5,
        },
        {
          id: 6,
        }
      ]
    }
  ];
  sortableOptions: SortablejsOptions = {
    group: 'checks'
  }
}

@Component({
  selector: 'my-card-edit',
  template: `
  <p routerLink="">Go Home</p>
  <p>{{content}}</p>
  <input type="text" value="{{content}}">
  `,
})
export class CardEdit implements OnInit {
  content = "content here";

  constructor(route: ActivatedRoute) {
    route.params.subscribe(val => {
     console.log("Button ID: " + val.id);
    });
  }



}

@NgModule({
  imports: [ 
    BrowserModule, 
    SortablejsModule.forRoot({
      animation: 0,
    }),
    RouterModule.forRoot([
      {path: '', component: Cards},
      {path: 'card/edit/:id', component: CardEdit}
    ])
  ],
  declarations: [ App, Cards, CardEdit ],
  bootstrap: [ App ]
})
export class AppModule {}