From 0f4c7ac90fa1ecbc11bf72503d0b5d2496050338 Mon Sep 17 00:00:00 2001
From: Pierre Goiffon <pierre.goiffon@combodo.com>
Date: Fri, 29 Jul 2022 10:12:37 +0200
Subject: [PATCH] =?UTF-8?q?N=C2=B05129=20Prevent=20"fieldForm=20is=20null"?=
 =?UTF-8?q?=20JS=20error=20when=20updating=20dependant=20field=20For=20exa?=
 =?UTF-8?q?mple=20when=20changing=20Server.location,=203=20JS=20errors=20a?=
 =?UTF-8?q?re=20thrown=20in=20the=20console=20:/?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 js/wizardhelper.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/wizardhelper.js b/js/wizardhelper.js
index eb63974a7..51ddf39ae 100644
--- a/js/wizardhelper.js
+++ b/js/wizardhelper.js
@@ -238,7 +238,7 @@ function WizardHelper(sClass, sFormPrefix, sState, sInitialState, sStimulus)
 			}
 			index++;
 		}
-		if($('.blockUI').length > 0) {
+		if ((fieldForm !== null) && ($('.blockUI').length > 0)) {
 			fieldForm.find('button[type=submit]:not(:disabled)').prop("disabled", true).addClass('disabledDuringFieldLoading');
 		}
 		this.AjaxQueryServer();