[ADD] Add vendor 2 in sale in view

views/sale_views.xml

@@ -7,9 +7,9 @@
             <field name="model">sale.order</field>
             <field name="inherit_id" ref="sale.view_order_form"/>
             <field name="arch" type="xml">
-                <field name="//notebook//page[@name='other_information']//group//group//field[@name='user_id']" position="after">
+                <xpath expr="//notebook//page[@name='other_information']//group//group//field[@name='user_id']" position="after">
                     <field name="user_second_id"/>
-                </field>
+                </xpath>
             </field>
         </record>