I am using default Magento one page checkout. on checkout page I am unable to continue to "Order Review" tab.
Magento 1.9.3.3 – Fix One Page Checkout Issue with Payment Information Tab
checkoutcheckout-pagemagento-1.9.3.3onepage-checkout
checkoutcheckout-pagemagento-1.9.3.3onepage-checkout
Best Answer
This is most probably the issue related to checkout Javascript code.
Open
skin/frontend/<package>/<theme>/js/opcheckout.js
Find the line:
Change it to:
Save the file.
Clear Cache from Magento Admin (System -> Cache Management).
Clear your browser's Cache as well.
This should solve the issue.
Alternatively, you can also try running this patch:
Magento SUPEE-9767 Checkout Form Key Theme Patch: https://gist.github.com/schmengler/c42acc607901a887ef86b4daa7a0445b