setSolidColor throwing unexpected error in Excel Javascript on chart series

问题

The setSolidColor method of the chart series class is throwing an error in Excel 1907 Build 11901.20080 but NOT in Excel 1902 Build 11328.20116.

To demo the error I modified the examples in Script Lab, specifically the section under "charts" called "Create Charts - Create column clustered, line, ...".

The data setup is required, here is the code from Scirptlab. This doesn't demo the error just sets up the data.

async function setup() {
  await Excel.run(async (context) => {
    context.workbook.worksheets.getItemOrNullObject("Sample").delete();
    const sheet = context.workbook.worksheets.add("Sample");

    let expensesTable = sheet.tables.add("A1:E1", true);
    expensesTable.name = "SalesTable";
    expensesTable.getHeaderRowRange().values = [["Product", "Qtr1", "Qtr2", "Qtr3", "Qtr4"]];

    expensesTable.rows.add(null, [
      ["Frames", 5000, 7000, 6544, 4377],
      ["Saddles", 400, 323, 276, 651],
      ["Brake levers", 12000, 8766, 8456, 9812],
      ["Chains", 1550, 1088, 692, 853],
      ["Mirrors", 225, 600, 923, 544],
      ["Spokes", 6005, 7634, 4589, 8765]
    ]);

    sheet.getUsedRange().format.autofitColumns();
    sheet.getUsedRange().format.autofitRows();

    sheet.activate();
    await context.sync();
  });
}

The code that demos the error is below. Note the only addition is the line chart.series.getItemAt(0).format.fill.setSolidColor("CCCCCC");

This throws the error "This operation is not permitted for the current object."

async function createAreaStackedChart() {
  await Excel.run(async (context) => {
    const sheet = context.workbook.worksheets.getItem("Sample");
    const salesTable = sheet.tables.getItem("SalesTable");
    const dataRange = salesTable.getDataBodyRange();

    let chart = sheet.charts.add("AreaStacked", dataRange, "Auto");

    chart.setPosition("H1", "M15");
    chart.title.text = "Quarterly sales chart";
    chart.legend.position = "Bottom";
    chart.legend.format.fill.setSolidColor("white");
    chart.dataLabels.format.font.size = 15;
    chart.dataLabels.format.font.color = "black";
    chart.series.getItemAt(0).name = "Q1";
    chart.series.getItemAt(1).name = "Q2";
    chart.series.getItemAt(2).name = "Q3";
    chart.series.getItemAt(3).name = "Q4";
    chart.series.getItemAt(0).format.fill.setSolidColor("CCCCCC"); //only addition
    await context.sync();
  });
}

I have only seen the error in Excel 1907 Build 11901.20080 but it does not occur in Excel 1902 Build 11328.20116.

来源：https://stackoverflow.com/questions/57172497/setsolidcolor-throwing-unexpected-error-in-excel-javascript-on-chart-series

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