Can not access customer information in admin when sorted

I am running zencart v1.3.9h, and when I am viewing my customer list, sorted descending by pricing group, if I click on a customer, it jumps me to page 16, instead of letting me view the customers information. The only customers information that I am able to view is the first customer in this sorting group. Is there a configuration I am missing, or is this a bug that someone else has encountered?

Sounds like there may be something wrong in your admin files somewhere. Does anything pop up in your cache folder?

-Kris

Hi Kris,

We do not show any cached pages in our cache folder, any other ideas?

Thanks for your help! I'm pretty new to this and it is much appreciated.

Erin