Issue cell rendering

HTML

<link rel="stylesheet" href="https://cdn.flexmonster.com/2.3/demo.css">
<script src="https://cdn.flexmonster.com/flexmonster.js"></script>
<div id="pivot-container"></div>

JavaScript

var data = [{
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    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_01_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_02_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_03_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_04_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_05_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_06_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_07_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_08_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_09_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_10_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_11_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2025_12_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2026_01_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2026_02_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2026_03_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "Month_2026_04_01",
  },{
    "Product": "Product 1",
    "Quantity": 1787878.24545245252525252525,
    "Month": "MonthMonth_2026_05_01",
  },{
    "Product": "Product 1",
    "Quantity":...