ParseError: "duplicate key value violates unique constraint "res_groups_name_uniq"
DETAIL:  Key (category_id, name)=(34, Billing) already exists.
" while parsing /home/vivek/Desktop/Odoo/odoo/my-modules/accounting/security/account_security.xml:5, near
<record id="group_account_invoice" model="res.groups">
        <field name="name">Billing</field>
        <field name="category_id" ref="base.module_category_accounting_and_finance"/>
        <field name="implied_ids" eval="[(4, ref('base.group_user'))]"/>
    </record>