Quantity problem confirmation mail

-- HikaShop version -- : 2.3.4
-- Joomla version -- : 3.3.6
-- Error-message(debug-mod must be tuned on) -- : In the e-mail confirmation of the order the quantity is not set and gives: {LINEVAR:PRODUCT_QUANTIY}

How to fix this?

In the e-mail confirmation of the order the quantity is not set and gives: {LINEVAR:PRODUCT_QUANTIY}

How to fix this?

In Hikashop 2.3.4 it was renamed to {LINEVAR:PRODUCT_QUANTITY} (fixed typo).
Either your email templates were not updated or you customized templates and you need update your code.