Hello,

I am running version 1.38a and have been up and running for over two years on 1and1.com. When I place orders from admin for my customers (some phone their orders in) I am finding that I can place smaller orders successfully but larger more complex orders are giving me a 500 Internal Server Error when I try to go to checkout.

How do you diagnose Internal Server Errors and/or what utility do you use to help diagnose your errors?

Thank you in advance for any help, advice, or suggestions.

Ben