diff --git a/message.xml b/message.xml
new file mode 100644
index 0000000..b599d7f
--- /dev/null
+++ b/message.xml
@@ -0,0 +1,15 @@
+<?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 group="1">
+    <record model="ir.message" id="missing_output_lot_creation_config">
+        <field name="text">The "When Output Lot is created?" or
+                  "Output Lot Sequence" Production configuration params
+                  are empty.</field>
+    </record>
+    <record model="ir.message" id="">
+        <field name="text"></field>
+    </record>
+    </data>
+</tryton>
diff --git a/tryton.cfg b/tryton.cfg
index a7168dc..49b98e7 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.9.0
+version=5.1.0
 depends:
     production
     stock_lot
@@ -8,3 +8,4 @@ extras_depend:
     stock_lot_sequence
 xml:
     production.xml
+    message.xml