From 5f731ddb513b7b8b08d0ee348dfb241f09f8a566 Mon Sep 17 00:00:00 2001
From: hjpalpha <75081997+hjpalpha@users.noreply.github.com>
Date: Mon, 15 Jan 2024 11:07:13 +0100
Subject: [PATCH] catch non strings for string match (#3797)

---
 components/infobox/commons/infobox_league.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/infobox/commons/infobox_league.lua b/components/infobox/commons/infobox_league.lua
index d0244604cce..c2bdb11fba6 100644
--- a/components/infobox/commons/infobox_league.lua
+++ b/components/infobox/commons/infobox_league.lua
@@ -215,7 +215,7 @@ function League:createInfobox()
 								Title{name = 'Chronology'},
 								Chronology{
 									content = Table.filterByKey(args, function(key)
-										return key:match('^previous%d?$') ~= nil or key:match('^next%d?$') ~= nil
+										return type(key) == 'string' and (key:match('^previous%d?$') ~= nil or key:match('^next%d?$') ~= nil)
 									end)
 								}
 							}