tryton/modules/account_product/message.xml

<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<tryton>
    <data grouped="1">
        <record model="ir.message" id="msg_missing_account">
            <field name="text">There is no "%(field)s" defined for "%(name)s".</field>
        </record>
        <record model="ir.message" id="msg_missing_taxes">
            <field name="text">There is no account category defined on product "%(name)s".</field>
        </record>
    </data>
</tryton>