A simple html table below with colspan throws "ArgumentOutOfRangeException" in event "RenderError" e doesn't render the html table.
```
<html>
<head>
<title></title>
</head>
<body>
<table border="1">
<tr>
<td colspan="3">Title</td>
</tr>
<tr>
<td>Content 1</td>
<td colspan="2">Content 2</td>
</tr>
</table>
</body>
</html>
```
```
<html>
<head>
<title></title>
</head>
<body>
<table border="1">
<tr>
<td colspan="3">Title</td>
</tr>
<tr>
<td>Content 1</td>
<td colspan="2">Content 2</td>
</tr>
</table>
</body>
</html>
```