Model class virtuemartModelCategory not found in file

[sjonnielunteren]

Hi,

I've installed a fresh installation of Joomla 2.5.4 with VM 2.0.14
When i create a menu-item to Virtuemart show category, i get the error message: Model class virtuemartModelCategory not found in file
Does anyone know a solution for this problem?

Regards,

Sander

[Milbo]

Please provide the full error message