[visualization-api] b[le] is not a function -- issue

[ma]

I am writing to seek advice, as to why am I getting -- b[le] is not a 
function-- error on the client-side, using the following code below.  I 
have tested the event listener code using JSfiddler and seems to work fine. 
Please help, if possible. Any feedback would be most appreciated. 

Thank you.


function drawVisualization(dataValues, chartTitle, columnNames, 
categoryCaption) {
            if (dataValues.length < 1)
                return;

            var data = new google.visualization.DataTable();
            data.addColumn('string', columnNames.split(',')[0], 'Name');
            data.addColumn('number', columnNames.split(',')[1], 'Price');
            data.addColumn('string', columnNames.split(',')[2], 'Type');
            data.addColumn('datetime', columnNames.split(',')[3], 'Date');

            for (var i = 0; i < dataValues.length; i++) {
          
                var date = new Date(parseInt(dataValues[i].Date.substr(6), 
10));

                data.addRow([dataValues[i].ColumnName, dataValues[i].Value, 
dataValues[i].Type, date]);
            }

            var dateFormatter = new google.visualization.DateFormat({ 
pattern: 'dd MM yyyy' });
            var line = new google.visualization.ChartWrapper({
                'chartType': 'LineChart',
                'containerId': 'PieChartContainer',
                'options': {
                    'width': 950,
                    'height': 450,
                    'legend': 'none',

                    'hAxis': {
                        'format': "dd-MM-yyyy",
                        'hAxis.maxValue': 'viewWindow.max',
                        'maxValue': new Date(2014, 05, 30), 'minValue': new 
Date(2014, 04, 05),
                        'viewWindow': { 'max': new Date(2014, 05, 30) },
                    },
                    'title': chartTitle,
                   // 'chartArea': { 'left': 100, 'top': 100, 'right': 0, 
'bottom': 100 },
                    'chartArea': { 'height': '80%', 'width': '90%' },
                    'tooltip': { isHtml: true }
                },
                'view': {
                    'columns': [{

                        type: 'string',
                        label: data.getColumnLabel(3),
                        calc: function (dt, row) {
                            var date = dt.getValue(row, 3);
                            return dateFormatter.formatValue(date);
                        }
                    }, 1, {
                        type: 'string',
                        role: 'tooltip',
                        calc: function (dt, row) {
                            return 'Name: ' + dt.getValue(row, 0) + ', 
Price: ' + +dt.getValue(row, 1) + ', Date: ' + +dt.getFormattedValue(row, 
3);
                        }
                    }]
                }
            });

            // Define a table.
            var table = new google.visualization.ChartWrapper({
                chartType: 'Table',
                containerId: 'chart2',
                options: {
                    width: '500px'
                }
            });

            google.visualization.events.addListener(table, 'ready', 
function () {
                var filteredData = table.getDataTable();
                // get a list of all the labels in column 0
                var group = filteredData.getDistinctValues(0);

                // build the columns for the view
                var columns = [1],
                    groupColumns = [];
                for (var i = 0; i < group.length; i++) {
                    var label = group[i];
                    // set the columns to use in the chart's view
                    columns.push({
                        type: 'number',
                        label: label,
                        calc: (function (name) {
                            return function (dt, row) {
                                return (dt.getValue(row, 0) == name) ? 
dt.getValue(row, 1) : null;
                            }
                        })(label)
                    });
                    groupColumns.push({
                        type: 'number',
                        label: label,
                        column: i + 1,
                        aggregation: google.visualization.data.sum
                    });
                }
                var view = new google.visualization.DataView(filteredData);
                view.setColumns(columns);
                var groupedData = google.visualization.data.group(view, 
[0], groupColumns);

                line.setDataTable(groupedData);
                line.draw();
            });

            new 
google.visualization.Dashboard(document.getElementById('PieChartExample')).bind([categoryPicker],
 
[line, table]).draw(data);
        }

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