Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
after adding button on cart page have the error if i click on checkout page
Invalid method Mage_Core_Block_Template::isPopup(Array (
with trace :
Fix the block type in your layout definition. It looks like you are doing a block type="core/template" ... when really, the block type should the block class that contains this isPopup function.
block type="core/template" ...
Required, but never shown