From a5fd53b0168ab90d66d056973592ea64d821e016 Mon Sep 17 00:00:00 2001
From: Nathan Walker <walkerrunpdx@gmail.com>
Date: Tue, 31 Aug 2021 16:39:18 -0700
Subject: [PATCH] fix(ios): resiliency to frame controller viewDidDisappear

---
 packages/core/ui/frame/index.ios.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/ui/frame/index.ios.ts b/packages/core/ui/frame/index.ios.ts
index bc8e93171..732b318d8 100644
--- a/packages/core/ui/frame/index.ios.ts
+++ b/packages/core/ui/frame/index.ios.ts
@@ -419,7 +419,7 @@ class UINavigationControllerImpl extends UINavigationController {
 	@profile
 	public viewDidDisappear(animated: boolean): void {
 		super.viewDidDisappear(animated);
-		const owner = this._owner.get();
+		const owner = this._owner?.get();
 		if (owner && owner.isLoaded && !owner.parent && !this.presentedViewController) {
 			owner.callUnloaded();
 			owner._tearDownUI(true);