maintenance_server_data/models/maintenance_equipment.py

@@ -20,6 +20,10 @@ class MaintenanceEquipment(models.Model):
 
     @api.depends("name")
     def _compute_name_fr(self):
+        if not self.env["res.lang"]._lang_get("fr_FR"):
+            for record in self:
+                record.name_fr = record.name
+            return
         for record in self:
             record.name_fr = record.with_context(lang="fr_FR").name