From a0ac6405c2bce62d1a679313d774b2446a6992d8 Mon Sep 17 00:00:00 2001
From: Bill <billsonnn@live.com>
Date: Thu, 16 Sep 2021 23:20:23 -0400
Subject: [PATCH] Fix navigator tab null issue

---
 src/views/navigator/NavigatorView.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/views/navigator/NavigatorView.tsx b/src/views/navigator/NavigatorView.tsx
index 49c05fae..892fa2ae 100644
--- a/src/views/navigator/NavigatorView.tsx
+++ b/src/views/navigator/NavigatorView.tsx
@@ -221,7 +221,7 @@ export const NavigatorView: FC<NavigatorViewProps> = props =>
                 <NitroCardView uniqueKey="navigator" className="nitro-navigator">
                     <NitroCardHeaderView headerText={ LocalizeText(isCreatorOpen ? 'navigator.createroom.title' : 'navigator.title') } onCloseClick={ event => setIsVisible(false) } />
                     <NitroCardTabsView>
-                        { topLevelContexts.map((context, index) =>
+                        { topLevelContexts && (topLevelContexts.length > 0) && topLevelContexts.map((context, index) =>
                             {
                                 return (
                                     <NitroCardTabsItemView key={ index } isActive={ ((topLevelContext === context) && !isCreatorOpen) } onClick={ event => sendSearch('', context.code) }>