From 45cca9e00224d075a5c12e2339552244ef84641d Mon Sep 17 00:00:00 2001
From: Laurent Cozic <laurent@cozic.net>
Date: Tue, 12 Nov 2019 17:50:48 +0000
Subject: [PATCH] Desktop: Fixes #2079: Do not crash when a notebook parent
 does not exist

---
 ReactNativeClient/lib/models/Folder.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ReactNativeClient/lib/models/Folder.js b/ReactNativeClient/lib/models/Folder.js
index f994224ad1..32090b44b3 100644
--- a/ReactNativeClient/lib/models/Folder.js
+++ b/ReactNativeClient/lib/models/Folder.js
@@ -121,6 +121,7 @@ class Folder extends BaseItem {
 			let parentId = noteCount.folder_id;
 			do {
 				let folder = foldersById[parentId];
+				if (!folder) break; // https://github.com/laurent22/joplin/issues/2079
 				folder.note_count = (folder.note_count || 0) + noteCount.note_count;
 				parentId = folder.parent_id;
 			} while (parentId);