definitions/desadv/d01b.rb in eancom-1.5.0 vs definitions/desadv/d01b.rb in eancom-1.5.1

@@ -144,10 +144,10 @@
 
       items.each_with_index do |item, index|
         total_quantity += item.quantity.to_i
 
         body.segment Eancom::Edifact::LIN.new(
-          line_item_identifier_1: item.line_item_identifier_1,
+          line_item_identifier_1: item.line_item_identifier_1 || index,
           item_identifier: item.ean,
           item_type_identification_code: 'SRV'
         )
 
         if additional_product_id = item.additional_product_id