, you've successfully logged in to Facebook.
Now please login to your account on our site to complete the link.
You will only have to do this once. If you don't have an account with us, please signup
Sharing is helping.
We offer you this space to share your knowledge about Magento and learn from our experienced customers.
Hi, you should check in you error log for that number, and let us know what it is.
We recommend you to not use the latest version yet, check this http://www.magentovietnam.com/diem-tin/355/magento-preview-version-1420-rc2.html
Specially says "As this is a preview version it is NOT recommended in any way to be used in a production environment..."