Summary
When exporting a document in PDF format from a published repository, you may receive the following error message:
There was an error exporting the image. (6720)
Cause
PDF Export functionality relies on Microsoft's .NET Framework. If the computer you are using to view the published repository does not have .NET Framework 2.0 or later installed, you will receive the listed error message.
Resolution
Visit Microsoft's online resources to download and install .NET Framework 2.0.
Microsoft .NET Framework Version 2.0 Redistributable Package (x86)