From 147d103cfb4bae49b38535cc5ea5d4f061435704 Mon Sep 17 00:00:00 2001
From: Grace <grace.guo@airbnb.com>
Date: Wed, 25 Aug 2021 23:42:48 -0700
Subject: [PATCH] handle exception caused by invalid query id

---
 superset-frontend/src/SqlLab/reducers/sqlLab.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/superset-frontend/src/SqlLab/reducers/sqlLab.js b/superset-frontend/src/SqlLab/reducers/sqlLab.js
index 893042a2356fc..68de3ebd66d8c 100644
--- a/superset-frontend/src/SqlLab/reducers/sqlLab.js
+++ b/superset-frontend/src/SqlLab/reducers/sqlLab.js
@@ -520,7 +520,7 @@ export default function sqlLabReducer(state = {}, action) {
           if (changedQuery.changedOn > queriesLastUpdate) {
             queriesLastUpdate = changedQuery.changedOn;
           }
-          const prevState = state.queries[id].state;
+          const prevState = state.queries[id]?.state;
           const currentState = changedQuery.state;
           newQueries[id] = {
             ...state.queries[id],