Hi,
– I’ve try on my local and it work well, please see my record: http://take.ms/NNAiB
– And i’ve switch theme package to default of magento to test checkout process and it still error, please see my record: http://take.ms/i9LOm
==> The reason not from our theme. Your site has issue: 500 Internal Server Error, i’ve google search and find some solutions:
– http://techjam.gr/2012/magento/solve-magento-500-internal-server-errors/
– http://inchoo.net/magento/internal-server-error-500-in-magento/
P/S: Some solutions regards to knowledge server/hosting. Maybe you should contact your hosting provider for assistance
Thanks!
