Hi,
Did you update your Virtuemart recently? It looks like your FashionMart VM Template isn't supported by VM2.0.8 and VM2.0.10. VM Developers are playing the variables in shopping cart a lot in every single release, so we are updating our VM Template as well (to make it compatible with that new VM version).
I have checked your user information, i am seeing that you have purchased the VM Template for "single domain+No future update" option. Therefore, you should downgrade your Virtuemart to VM2.0.6 or you can upgrade your order through this link:
www.flexiblewebdesign.com/Premium-Support/Upgrade-Your-Order to be eligible to receive new version of our VM Template which is fully supported by VM2.0.10
Flexible Support Desk.