[fix] Get fifo rate only qty exists in batch
diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index ee4303b..4f1e427 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -133,19 +133,20 @@
 		qty_to_pop = abs(qty)
 		while qty_to_pop and previous_stock_queue:
 			batch = previous_stock_queue[0]
-			if 0 < batch[0] <= qty_to_pop:
-				# if batch qty > 0
-				# not enough or exactly same qty in current batch, clear batch
-				available_qty_for_outgoing += flt(batch[0])
-				outgoing_cost += flt(batch[0]) * flt(batch[1])
-				qty_to_pop -= batch[0]
-				previous_stock_queue.pop(0)
-			else:
-				# all from current batch
-				available_qty_for_outgoing += flt(qty_to_pop)
-				outgoing_cost += flt(qty_to_pop) * flt(batch[1])
-				batch[0] -= qty_to_pop
-				qty_to_pop = 0
+			if batch[0]:
+				if 0 < batch[0] <= qty_to_pop:
+					# if batch qty > 0
+					# not enough or exactly same qty in current batch, clear batch
+					available_qty_for_outgoing += flt(batch[0])
+					outgoing_cost += flt(batch[0]) * flt(batch[1])
+					qty_to_pop -= batch[0]
+					previous_stock_queue.pop(0)
+				else:
+					# all from current batch
+					available_qty_for_outgoing += flt(qty_to_pop)
+					outgoing_cost += flt(qty_to_pop) * flt(batch[1])
+					batch[0] -= qty_to_pop
+					qty_to_pop = 0
 
 		return outgoing_cost / available_qty_for_outgoing