fix: Return if there are no Items

erpnext/stock/doctype/packed_item/packed_item.py

@@ -109,6 +109,9 @@ def cleanup_packing_list(doc, parent_items):
 def update_product_bundle_price(doc, parent_items):
 	"""Updates the prices of Product Bundles based on the rates of the Items in the bundle."""
 
+	if not doc.get('items'):
+		return
+
 	parent_items_index = 0
 	bundle_price = 0
 	parent_items_doctype = doc.items[0].doctype