Error when admin send - Product back in stock email for waiting list

[kovacshazi]

Joomla 3.4.1 + VM 3.0.6.4
If admin clicked to Send email button Ajax popoup not working, VM not sending email to user, and following error message arrived:
Call to a member function renderMailLayout() on a non-object in file: /home/spa2sta/public_html/components/com_virtuemart/helpers/shopfunctionsf.php line: 700 timestamp: 2015-05-29T17:27:23+00:00