tryton/modules/stock_lot_unit/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_change_unit">
            <field name="text">You cannot change the unit of a stock lot which has stock moves.</field>
        </record>
        <record model="ir.message" id="msg_change_unit_quantity">
            <field name="text">You cannot change the quantity of a stock lot which has stock moves.</field>
        </record>
        <record model="ir.message" id="msg_lot_unit_quantity_greater">
            <field name="text">You cannot use more than %(quantity)s%(unit)s of lot "%(lot)s" in "%(name)s".</field>
        </record>
    </data>
</tryton>