Gantt Chart Help - "d.AmGanttChart is not a constructor" about amcharts3-react HOT 4 CLOSED

/**
 * Created by shahartaite on 05/01/2017.
 */

import React, {Component} from 'react';
const AmCharts = require('amcharts3-react');

class StatusGantt extends Component {

  render() {

    const ganttConfig = {
      "height" :"500",
      "type": "gantt",
      "theme": "light",
      "marginRight": 70,
      "period": "DD",
      "dataDateFormat": "YYYY-MM-DD",
      "columnWidth": 0.5,
      "valueAxis": {
        "type": "date"
      },
      "brightnessStep": 7,
      "graph": {
        "lineAlpha": 1,
        "lineColor": "#fff",
        "fillAlphas": 0.85,
        "balloonText": "<b>[[task]]</b>:<br />[[open]] -- [[value]]"
      },
      "rotate": true,
      "categoryField": "category",
      "segmentsField": "segments",
      "colorField": "color",
      "startDateField": "start",
      "endDateField": "end",
      "dataProvider": [ {
        "category": "Module #1",
        "segments": [ {
          "start": "2016-01-01",
          "end": "2016-01-14",
          "color": "#b9783f",
          "task": "Gathering requirements"
        }, {
          "start": "2016-01-16",
          "end": "2016-01-27",
          "color": "#000000",
          "task": "Producing specifications"
        }, {
          "start": "2016-02-05",
          "end": "2016-04-18",
          "task": "Development"
        }, {
          "start": "2016-04-18",
          "end": "2016-04-30",
          "task": "Testing and QA"
        } ]
      }, {
        "category": "Module #2",
        "segments": [ {
          "start": "2016-01-08",
          "end": "2016-01-10",
          "color": "#cc4748",
          "task": "Gathering requirements"
        }, {
          "start": "2016-01-12",
          "end": "2016-01-15",
          "task": "Producing specifications"
        }, {
          "start": "2016-01-16",
          "end": "2016-02-05",
          "task": "Development"
        }, {
          "start": "2016-02-10",
          "end": "2016-02-18",
          "task": "Testing and QA"
        } ]
      }, {
        "category": "Module #3",
        "segments": [ {
          "start": "2016-01-02",
          "end": "2016-01-08",
          "color": "#cd82ad",
          "task": "Gathering requirements"
        }, {
          "start": "2016-01-08",
          "end": "2016-01-16",
          "task": "Producing specifications"
        }, {
          "start": "2016-01-19",
          "end": "2016-03-01",
          "task": "Development"
        }, {
          "start": "2016-03-12",
          "end": "2016-04-05",
          "task": "Testing and QA"
        } ]
      }, {
        "category": "Module #4",
        "segments": [ {
          "start": "2016-01-01",
          "end": "2016-01-19",
          "color": "#2f4074",
          "task": "Gathering requirements"
        }, {
          "start": "2016-01-19",
          "end": "2016-02-03",
          "task": "Producing specifications"
        }, {
          "start": "2016-03-20",
          "end": "2016-04-25",
          "task": "Development"
        }, {
          "start": "2016-04-27",
          "end": "2016-05-15",
          "task": "Testing and QA"
        } ]
      }, {
        "category": "Module #5",
        "segments": [ {
          "start": "2016-01-01",
          "end": "2016-01-12",
          "color": "#448e4d",
          "task": "Gathering requirements"
        }, {
          "start": "2016-01-12",
          "end": "2016-01-19",
          "task": "Producing specifications"
        }, {
          "start": "2016-01-19",
          "end": "2016-03-01",
          "task": "Development"
        }, {
          "start": "2016-03-08",
          "end": "2016-03-30",
          "task": "Testing and QA"
        } ]
      } ],
      "valueScrollbar": {
        "autoGridCount": true
      },
      "chartCursor": {
        "cursorColor": "#55bb76",
        "valueBalloonsEnabled": false,
        "cursorAlpha": 0,
        "valueLineAlpha": 0.5,
        "valueLineBalloonEnabled": true,
        "valueLineEnabled": true,
        "zoomable": false,
        "valueZoomable": true
      },
      "export": {
        "enabled": true
      }
    };
    return (
      <AmCharts {...ganttConfig}/>
    );
  };
}
export default StatusGantt;