From aead30a0419975328348f545768c0470d256b30d Mon Sep 17 00:00:00 2001
From: Philip Klempin <philip@klempin.se>
Date: Fri, 15 Oct 2021 23:05:50 +0000
Subject: [PATCH] Fix undefined array key "output" when adding new label

---
 classes/pref/labels.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/pref/labels.php b/classes/pref/labels.php
index 2cdb919ce..0eb88ea36 100644
--- a/classes/pref/labels.php
+++ b/classes/pref/labels.php
@@ -160,7 +160,7 @@ class Pref_Labels extends Handler_Protected {
 
 	function add() {
 		$caption = clean($_REQUEST["caption"]);
-		$output = clean($_REQUEST["output"]);
+		$output = clean($_REQUEST["output"] ?? false);
 
 		if ($caption) {
 			if (Labels::create($caption)) {