diff --git a/addons/mrp_subcontracting_dropshipping/models/purchase.py b/addons/mrp_subcontracting_dropshipping/models/purchase.py
index dbed48c5e79..c8cf393310c 100644
--- a/addons/mrp_subcontracting_dropshipping/models/purchase.py
+++ b/addons/mrp_subcontracting_dropshipping/models/purchase.py
@@ -31,14 +31,17 @@ class PurchaseOrder(models.Model):
             return super()._get_destination_location()
 
         in_bom_products = False
-        not_in_bom_products = False
+        not_in_bom_products = self.env['purchase.order.line']
         for order_line in self.order_line:
             if any(bom_line.bom_id.type == 'subcontract' and self.dest_address_id in bom_line.bom_id.subcontractor_ids for bom_line in order_line.product_id.bom_line_ids.filtered(lambda line: line.company_id == self.company_id)):
                 in_bom_products = True
-            else:
-                not_in_bom_products = True
+            elif not order_line.display_type:
+                not_in_bom_products |= order_line
         if in_bom_products and not_in_bom_products:
-            raise UserError(_("It appears some components in this RFQ are not meant for subcontracting. Please create a separate order for these."))
+            raise UserError(
+                _("It appears some components in this RFQ are not meant for subcontracting. Please create a separate order for these.") +
+                '\n\n' + '\n'.join(not_in_bom_products.mapped('name'))
+            )
         elif in_bom_products:
             return self.dest_address_id.property_stock_subcontractor.id
         return super()._get_destination_location()