diff --git a/addons/product/pricelist.py b/addons/product/pricelist.py
index 65c4311f34a..67ab3649b3b 100644
--- a/addons/product/pricelist.py
+++ b/addons/product/pricelist.py
@@ -180,7 +180,8 @@ class product_pricelist(osv.osv):
             if ((v.date_start is False) or (v.date_start <= date)) and ((v.date_end is False) or (v.date_end >= date)):
                 version = v
                 break
-
+        if not version:
+            raise osv.except_osv(_('Warning!'), _("At least one pricelist has no active version !\nPlease create or activate one."))
         categ_ids = {}
         for p in products:
             categ = p.categ_id