Upgrade from VM 2.6.12.2 to 3.0.4

[openallhours]

Hi, We are in the process of upgrading Virtuemart 2.6 to 3.0.4 and have got the White Screen Of Death! This is showing in the front end and the back end. We are currently using joomla 2.5.4 which is to be upgraded after VM is upgraded. Our PHP is 5.4.35. Please Help!

[jenkinhill]

http://forum.virtuemart.net/index.php?topic=121692.0