From d0a10ec70fe65c69dcb344bcac9fb41158f4365f Mon Sep 17 00:00:00 2001
From: Aronai Sieyes <arokha@arokha.com>
Date: Mon, 5 Jul 2021 01:55:51 -0400
Subject: [PATCH] Add a stack_trace to tgui input lists passed nulls

---
 code/modules/tgui/tgui_input_list.dm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/modules/tgui/tgui_input_list.dm b/code/modules/tgui/tgui_input_list.dm
index 778c9f0e0c9..8b1af90196d 100644
--- a/code/modules/tgui/tgui_input_list.dm
+++ b/code/modules/tgui/tgui_input_list.dm
@@ -99,6 +99,10 @@
 	var/static/regex/whitelistedWords = regex(@{"([^\u0020-\u8000]+)"})
 
 	for(var/i in buttons)
+		if(isnull(i))
+			stack_trace("Null in a tgui_input_list() buttons")
+			continue
+
 		var/string_key = whitelistedWords.Replace("[i]", "")
 
 		//avoids duplicated keys E.g: when areas have the same name