From 9b2259726b781a015f10b0c1af2fcc1201d9eb14 Mon Sep 17 00:00:00 2001
From: Eric Espie <eric.espie@combodo.com>
Date: Mon, 23 Mar 2026 10:51:31 +0100
Subject: [PATCH] Designer 3.3.0 - edit dashboard fix

---
 application/forms.class.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/forms.class.inc.php b/application/forms.class.inc.php
index d1fd70fc8a..61f62ded64 100644
--- a/application/forms.class.inc.php
+++ b/application/forms.class.inc.php
@@ -1387,7 +1387,7 @@ class DesignerIconSelectionField extends DesignerFormField
 	public function AddAllowedValue($aValue)
 	{
 		// Add a null value to the list of allowed values
-		$this->aAllowedValues = array_merge([$aValue], $this->aAllowedValues);
+		$this->aAllowedValues = array_merge([$aValue], $this->aAllowedValues ?? [null]);
 	}
 	public function EnableUpload($sIconUploadUrl)
 	{