fix: incorrect limit

erpnext/stock/doctype/pick_list/pick_list.py

@@ -605,7 +605,7 @@ def get_available_item_locations_for_serialized_item(
 		.select(sn.name, sn.warehouse)
 		.where((sn.item_code == item_code) & (sn.company == company))
 		.orderby(sn.purchase_date)
-		.limit(cint(required_qty + total_picked_qty))
+		.limit(get_limit_for_query(required_qty + total_picked_qty))
 	)
 
 	if from_warehouses:
@@ -647,7 +647,7 @@ def get_available_item_locations_for_batched_item(
 		.groupby(sle.warehouse, sle.batch_no, sle.item_code)
 		.having(Sum(sle.actual_qty) > 0)
 		.orderby(IfNull(batch.expiry_date, "2200-01-01"), batch.creation, sle.batch_no, sle.warehouse)
-		.limit(cint(required_qty + total_picked_qty))
+		.limit(get_limit_for_query(required_qty + total_picked_qty))
 	)
 
 	if from_warehouses:
@@ -656,6 +656,14 @@ def get_available_item_locations_for_batched_item(
 	return query.run(as_dict=True)
 
 
+def get_limit_for_query(required_qty):
+	required_qty = cint(required_qty)
+	if required_qty == 0:
+		return 1
+
+	return required_qty
+
+
 def get_available_item_locations_for_serial_and_batched_item(
 	item_code, from_warehouses, required_qty, company, total_picked_qty=0
 ):
@@ -680,7 +688,7 @@ def get_available_item_locations_for_serial_and_batched_item(
 					(conditions) & (sn.batch_no == location.batch_no) & (sn.warehouse == location.warehouse)
 				)
 				.orderby(sn.purchase_date)
-				.limit(cint(location.qty + total_picked_qty))
+				.limit(get_limit_for_query(location.qty + total_picked_qty))
 			).run(as_dict=True)
 
 			serial_nos = [sn.name for sn in serial_nos]
@@ -699,7 +707,7 @@ def get_available_item_locations_for_other_item(
 		.select(bin.warehouse, bin.actual_qty.as_("qty"))
 		.where((bin.item_code == item_code) & (bin.actual_qty > 0))
 		.orderby(bin.creation)
-		.limit(cint(required_qty + total_picked_qty))
+		.limit(get_limit_for_query(required_qty + total_picked_qty))
 	)
 
 	if from_warehouses: