title: Can't bind to 'options' since it isn't a known property of 'chart'
body: <p>I have created a chart module using <code>Angular2-highcharts</code> but when I try to run the application I am getting the followoing error.</p>
  
  <pre><code>ERROR Error: Uncaught (in promise): Error: Template parse errors:
  Can't bind to 'options' since it isn't a known property of 'chart'. ("
  </code></pre>
  
  <p></p>
  
  <pre><code>&lt;!-- &lt;p text-center&gt;Kye Info Page under construction&lt;/p&gt; --&gt;
    &lt;chart [ERROR -&gt;][options]="chartOptions" type="chart"&gt;&lt;/chart&gt;
  &lt;/ion-content&gt;
  "): ng:///KeyinfoPageModule/KeyinfoPage.html@27:9
  'chart' is not a known element:
  
  1. If 'chart' is an Angular component, then verify that it is part of this module.
  2. To allow any element add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component. ("
  &lt;ion-content&gt;
  </code></pre>
  
  <h2>Code</h2>
  
  <h2>1. app.module.ts</h2>
  
  <pre><code>import { ChartModule } from 'angular2-highcharts';
  import * as highcharts from 'Highcharts';
  
  imports: [
  ---------
  ChartModule.forRoot(highcharts)
    ],
  </code></pre>
  
  <h2>2. html File</h2>
  
  <pre><code>&lt;ion-content&gt;
    &lt;chart [options]="chartOptions" type="chart"&gt;&lt;/chart&gt;
  &lt;/ion-content&gt;
  </code></pre>
  
  <h2>3. .ts file</h2>
  
  <pre><code>    export class KeyinfoPage {
  
        chartOptions:any;
        constructor(public navCtrl: NavController) {
        }
  
        ionViewDidLoad() {
      this.chartOptions={chart: {
        type: 'area'
    },
    title: {
        text: 'US and USSR nuclear stockpiles'
    },
    subtitle: {
        text: 'Source: &lt;a href="http://thebulletin.metapress.com/content/c4120650912x74k7/fulltext.pdf"&gt;' +
            'thebulletin.metapress.com&lt;/a&gt;'
    },
    xAxis: {
        allowDecimals: false,
        labels: {
            formatter: function () {
                return this.value; // clean, unformatted number for year
            }
        }
    },
    yAxis: {
        title: {
            text: 'Nuclear weapon states'
        },
        labels: {
            formatter: function () {
                return this.value / 1000 + 'k';
            }
        }
    },
    tooltip: {
        pointFormat: '{series.name} produced &lt;b&gt;{point.y:,.0f}&lt;/b&gt;&lt;br/&gt;warheads in {point.x}'
    },
    plotOptions: {
        area: {
            pointStart: 1940,
            marker: {
                enabled: false,
                symbol: 'circle',
                radius: 2,
                states: {
                    hover: {
                        enabled: true
                    }
                }
            }
        }
    },
    series: [{
        name: 'USA',
        data: [null, null, null, null, null, 6, 11, 32, 110, 235, 369, 640,
            1005, 1436, 2063, 3057, 4618, 6444, 9822, 15468, 20434, 24126,
            27387, 29459, 31056, 31982, 32040, 31233, 29224, 27342, 26662,
            26956, 27912, 28999, 28965, 27826, 25579, 25722, 24826, 24605,
            24304, 23464, 23708, 24099, 24357, 24237, 24401, 24344, 23586,
            22380, 21004, 17287, 14747, 13076, 12555, 12144, 11009, 10950,
            10871, 10824, 10577, 10527, 10475, 10421, 10358, 10295, 10104]
    }, {
        name: 'USSR/Russia',
        data: [null, null, null, null, null, null, null, null, null, null,
            5, 25, 50, 120, 150, 200, 426, 660, 869, 1060, 1605, 2471, 3322,
            4238, 5221, 6129, 7089, 8339, 9399, 10538, 11643, 13092, 14478,
            15915, 17385, 19055, 21205, 23044, 25393, 27935, 30062, 32049,
            33952, 35804, 37431, 39197, 45000, 43000, 41000, 39000, 37000,
            35000, 33000, 31000, 29000, 27000, 25000, 24000, 23000, 22000,
            21000, 20000, 19000, 18000, 18000, 17000, 16000]
    }]
      }
      console.log('ionViewDidLoad KeyinfoPage');
    }
     viewDashboard(){
        this.navCtrl.setRoot('DashboardPage')
    }
  
  }
  </code></pre>
  
  <p>Please help me to solve this issue. I have found several questions like this but none of them helped me to solve this error. I am following this video to create the charts</p>
  
  <pre><code>https://www.youtube.com/watch?v=FSg8n5_uaWs&amp;index=2&amp;list=LLTJRcsGtG-ZMAf9dklVIikA&amp;t=610s
  </code></pre>
  
  <h2>keyinfo.module.ts</h2>
  
  <pre><code> import { NgModule } from '@angular/core';
  import { IonicPageModule } from 'ionic-angular';
  import { KeyinfoPage } from './keyinfo';
  import { ChartModule } from 'angular2-highcharts';
  import * as highcharts from 'highcharts';
  
  @NgModule({
    declarations: [
      KeyinfoPage,
    ],
    imports: [
      IonicPageModule.forChild(KeyinfoPage),
      ChartModule
    ],
  })
  export class KeyinfoPageModule {}
  </code></pre>