I upgraded from 1.7 to 1.9. At checkout, when client clicks on 'Place Order', it just shows a circling motion (submitting order information) and it reloads the page. I saw somewhere that that solution is: Magento 1.9.1.0 requires that your server has php-mbscript (mbstring) enabled in Apache.
I had a chat with Hostgator and they said they cannot enable this for me as I am on a shared hosting account. Does that mean my clients can no longer checkout in my store? What can I do please? Thank you
app/design/frontend/YOUR_PACKAGE/YOUR_THEME/template/checkout/onepage/review/info.phtmlfile has form key. check bottom of this file and compare it withbasepackage file – Rohit Kundale Jan 13 '16 at 12:28