Put back featre for disallowing creation of deliveries.

product/ERP5/mixin/builder.py

@@ -417,6 +417,9 @@ class BuilderMixin(XMLObject, Amount, Predicate):
         delivery = delivery_to_update_list[0]
 
       if delivery is None:
+        if not self.getDeliveryCreatable():
+          raise SelectMethodError('No updatable delivery found with %s' \
+                  % (self.getPath(),))
         delivery = self._createDelivery(delivery_module,
                                         movement_group_node.getMovementList(),
                                         activate_kw)