Need help figuring out store issue..

Some people are having a server error come up when trying to access the following categories in the store..

http://www.thecustomsabershop.com/1-OD-Thin-Walled--C90.aspx


http://www.thecustomsabershop.com/1-OD-Thick-Walled-C91.aspx


I cannot get the error to show on my end and it must be due to a certain combination of things. If you get this error and can reproduce it please send me a E-mail with the steps to get it to display.