tryton/modules/sale_stock_quantity/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_sale_stock_quantity">
            <field name="text">The forcast quantity (%(forecast_quantity)s) for line "%(line)s" is lower than its quantity (%(quantity)s).</field>
        </record>
        <record model="ir.message" id="msg_product_forecast_quantity_lower">
            <field name="text">The forecast quantity (%(forecast_quantity)s) of product "%(product)s" is lower than the quantity (%(quantity)s).</field>
        </record>
    </data>
</tryton>