diff --git a/frontend/app/components/shared/DevTools/TimeTable/TimeTable.tsx b/frontend/app/components/shared/DevTools/TimeTable/TimeTable.tsx
index d4729ecb1..83b2cf932 100644
--- a/frontend/app/components/shared/DevTools/TimeTable/TimeTable.tsx
+++ b/frontend/app/components/shared/DevTools/TimeTable/TimeTable.tsx
@@ -317,6 +317,7 @@ function RowRenderer({
   activeIndex,
   onJump,
 }: any) {
+  if (!row) return;
   return (
     <div
       className={cn(