小编Muk*_*nki的帖子

I have installed one module extension which throws an fatal error "Fatal error: Class 'Mage_Giftcards_Helper_Data' not found in ..../app/Mage.php on line 546" in admin.

I have reffered this link /sf/answers/643390051/ and this link as well https://magento.stackexchange.com/a/7133/3693

But I have

<global>
<helpers>
        <giftcards>
            <class>Webtex_Giftcards_Helper</class>
        </giftcards>
    </helpers>
</global>

in my config.xml and I have this class

class Webtex_Giftcards_Helper_Data extends Mage_Core_Helper_Data{
// my methods
}

declared at "/app/code/local/Webtex/Giftcards/Helper/Data.php" path.

I have disabled compiler and cleared cache by making empty "var/cache" directory.

I found …