Thanks for the template Excel file, screenshot and sample app.
I am able to reproduce both your mentioned issues using your template Excel 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.
CELLSNET-56975 - Chart is not printed in rendering worksheet
CELLSNET-56976 - “System.OverflowException: 'Arithmetic operation resulted in an overflow” when rendering chart shape to image
You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.
The issues you have found earlier (filed as CELLSNET-56975,CELLSNET-56976) have been fixed in this update. This message was posted using Bugs notification tool by johnson.shi