سلام این ارور رو همون بالا مینویسه :
Notice: Undefined property: vmLanguage::$_VM_MENUBAR_PLEASESELECT_DELETE in E:\AppServ\www\ninjavo\administrator\components\co m_virtuemart\classes\menuBar.class.php on line 137

Notice: Undefined property: vmLanguage::$_VM_MENUBAR_CONFIRM_DELETE in E:\AppServ\www\ninjavo\administrator\components\co m_virtuemart\classes\menuBar.class.php on line 137

ولی این ارور رو زیر ADD و NEW و ... میاد :
Notice: Undefined variable: category_id in E:\AppServ\www\ninjavo\administrator\components\co m_virtuemart\admin.virtuemart.php on line 66