From a267201e245a2d8b6f626fd0f090248e4de7d762 Mon Sep 17 00:00:00 2001
From: Dmytro Krekota <dmytro.krekota@gmail.com>
Date: Thu, 18 Feb 2021 12:34:52 +0200
Subject: [PATCH] Fix undefined route info

---
 packages/@ember/-internals/routing/lib/system/router.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/@ember/-internals/routing/lib/system/router.ts b/packages/@ember/-internals/routing/lib/system/router.ts
index 1fa016d866a..fbda42a0930 100644
--- a/packages/@ember/-internals/routing/lib/system/router.ts
+++ b/packages/@ember/-internals/routing/lib/system/router.ts
@@ -947,7 +947,7 @@ class EmberRouter extends EmberObject {
    */
   _queryParamsFor(routeInfos: PrivateRouteInfo[]) {
     let routeInfoLength = routeInfos.length;
-    let leafRouteName = routeInfos[routeInfoLength - 1].name;
+    let leafRouteName = routeInfos[routeInfoLength - 1]?.name;
     let cached = this._qpCache[leafRouteName];
     if (cached !== undefined) {
       return cached;