Why Does Export to PDF in Report Center Cause a "HTML Render" Error?

Symptoms

In Report Center, when I click Export to PDF, the following error shows:

HTML render is blank
Note: The current version of Report Center (sometimes referred to as AgileReports) can only be used by customers who purchased this component before April 1, 2020. This version is no longer available for purchase, including by current and previous purchasers of AgilePoint NX or the Report Center component. AgilePoint plans to release the new version of Report Center in Q3 2020.

Cause

In AgilePoint v5.0 SP3, Report Center must be installed in a 64-bit environment using Internet Explorer 8. (Other export options in Report Center do not have this restriction.

This error is caused when Internet Explorer 9 is installed on the Report Center server.

Resolution

On the Report Center Server machine, uninstall Internet Explorer 9, and then install Internet Explorer 8.

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