Hello , i have install opc in my site
http://tereasa.com/campstore i make all the steps from yours tutorials and the opc appear my my site but when i press confirm order i get this error Fatal error: Call to undefined method VmModel::getModel() in /webroot/t/e/terea001/primary/www/campstore/components/com_onepage/controllers/opc.php on line 1075 .can you help me please?Thanks a lot