problem with category

[jan becaus]

Hello i am kind of new with Virtuemart. I have installed Joomla 2.5.1. an Virtuemart 2.0 and i am not able to add a product category. The panel does something strange and switches to the basic menu without css.
Can anyone help me pls.

Thx,
Jan

[Structures]

Same errors here I have VM 2.0 and upgraded to Joomla 2.5.1

Fatal error: Call to a member function getResultsCounter() on a non-object in /home/structur/public_html/administrator/components/com_virtuemart/views/calc/tmpl/default.php on line 38

[jenkinhill]

http://forum.virtuemart.net/index.php?topic=96945.0