I am using the .Net 2008 web application with Crystal Report 10.5. I am able to generate the PDF report in Windows 7. But when I run the application on Windows Server 2012,
One of the reasons for this error can be that one of the fonts used in this report is not installed on your new server. Check if it's installed.
Check this link http://www.crystalreportsbook.com/Forum/forum_posts.asp?TID=1050