MAY
28
2019
Call to undefined method Mage_Checkout_OnepageController::isFormkeyValidationOnCheckoutEnabled()
At Magento Onepage Checkout page nothing happens after clicking [Continue] button at Billing information step. It is not possible to proceed to Shipping, Magento checkout just stuck. The following error logged in PHP error log: PHP Fatal error: Call to undefined method Mage_Checkout_OnepageController::isFormkeyValidationOnCheckoutEnabled() in app/code/core/Mage/Checkout/controllers/OnepageController.php on line 374 Cause SUPEE-9767v2 (and v1 as well) added isFormkeyValidationOnCheckoutEnabled() function into app/code/core/Mage/Core/Controller/Front/Action.php file: Solution As the error says isFormkeyValidationOnCheckoutEnabled() is undefined: check if SUPEE-9767v2 was applied properly and… Read the rest