Save as html exception

I have a visio document which throw exception when I try to save it as HTML.
Here is a sample project:
aspose-test-app.zip (248.7 KB)

Steps to reproduce:

  1. Open project in Visual Studio and run it
  2. Select a destination folder and press the button
  3. You should see the exception
    image.png (38.1 KB)

If you need more info, please let me know

@mmdevelopment
Thanks for the project and screenshots.
After an initial testing, I am able to reproduce the issue as you mentioned by using your template file.

We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.

Issue ID(s): DIAGRAMNET-53618

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