This message is a general crash message - it doesn't reveal any specifics. However, the module that crashed was "hoops500.dll", which is the 3rd party graphics library that we use. The "500" means "Version 5.00" of that library.

Since CAESAR II Version 4.30 was released, the HOOPS library has been upgraded, through versions 6, 7, 8, 9, 10, 11, and 12. CAESAR II Version 5.00 uses HOOPS version 12.

I can't tell what the software doesn't like about your model that would cause the crash. Version 4.30 was released in March of 2001, over 5 years ago. So you're missing 5 years worth of improvements and corrections.

You'll be a lot better off if you upgrade.