From 8eee60da3a6d8f786e9e34418b4a62886e7dac63 Mon Sep 17 00:00:00 2001
From: mirrorcult <lunarautomaton6@gmail.com>
Date: Fri, 1 Apr 2022 20:09:54 -0700
Subject: [PATCH] Another chat system sanitization fix (#7384)

---
 Content.Server/Chat/ChatSystem.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Content.Server/Chat/ChatSystem.cs b/Content.Server/Chat/ChatSystem.cs
index 77242b9928..fffc299d2b 100644
--- a/Content.Server/Chat/ChatSystem.cs
+++ b/Content.Server/Chat/ChatSystem.cs
@@ -99,6 +99,10 @@ public sealed class ChatSystem : EntitySystem
             SendEntityEmote(source, emoteStr, hideChat);
         }
 
+        // This can happen if the entire string is sanitized out.
+        if (string.IsNullOrEmpty(message))
+            return;
+
         // Otherwise, send whatever type.
         switch (desiredType)
         {