The "Ask a question about this product" link works OK with J1.0.13 and 1.0.14RC1, brings up the form and sends the emails, but with J1.5 Final the link just gives a blank page.
Database Version: 4.1.22
PHP Version: 5.2.4
Web Server: Apache
VirtueMart 1.1: Ver. 1175
Joomla! Version: Joomla! 1.5 Final
Do you mean the link back to product from within email or the actual 'Ask a question about this product' link, with legacy off following error is given.
Fatal error: Call to undefined function moshash() in /home/example.com/components/com_virtuemart/themes/default/templates/pages/shop.ask.tpl.php on line 22
Q&T note; tracker URL http://dev.virtuemart.net/cb/proj/tracker/itemDetails.do?task_id=1701