From a06f624a4a20f43aebfd50c46a6d705af121116d Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Wed, 20 Oct 2021 15:03:15 +0900
Subject: [PATCH] Fix possible exception with "invalid" key

Triggered by toggling Shift+Tab during gameplay.
---
 osu.Game/Localisation/ResourceManagerLocalisationStore.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/osu.Game/Localisation/ResourceManagerLocalisationStore.cs b/osu.Game/Localisation/ResourceManagerLocalisationStore.cs
index a35ce7a9c8..6a4e38fb38 100644
--- a/osu.Game/Localisation/ResourceManagerLocalisationStore.cs
+++ b/osu.Game/Localisation/ResourceManagerLocalisationStore.cs
@@ -29,6 +29,9 @@ namespace osu.Game.Localisation
         {
             var split = lookup.Split(':');
 
+            if (split.Length < 2)
+                return null;
+
             string ns = split[0];
             string key = split[1];