I want to define a new menu under After Sales Service in CRM module

So i've defined the below menu in project_view.xml

<menuitem name="Helpdesk and Support" id="menu_help_support_main"
        groups="base.group_sale_salesman" parent="base.menu_aftersale"
        action="action_view_task" sequence="2" />

The parent menu is defined in crm_claim_menu.xml

<menuitem id="base.menu_aftersale" name="After-Sale Services"
        groups="base.group_sale_salesman"
        parent="base.menu_base_partner" sequence="2" />

When did the above i got the followin error.

raise ValueError('No such external ID currently defined in the system: %s.%s' %  (module, xml_id))
ValueError: No such external ID currently defined in the system:base.menu_aftersale

Thanks for any help!!