From 9f9c988c14183dd6ac386e0db35c3b6c30efcb8a Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Tue, 7 Mar 2023 16:16:57 +0100
Subject: [PATCH] Fix error Cannot read properties of undefined (reading
 'implements')

---
 api/js/etemplate/et2_widget_hbox.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/api/js/etemplate/et2_widget_hbox.ts b/api/js/etemplate/et2_widget_hbox.ts
index 1c7420d36d..740057b1e5 100644
--- a/api/js/etemplate/et2_widget_hbox.ts
+++ b/api/js/etemplate/et2_widget_hbox.ts
@@ -168,8 +168,8 @@ export class et2_hbox extends et2_baseWidget
 		if (_sender != this && this.alignData.hasAlign)
 		{
 			// Check whether we've create a special container for the widget
-			let align = (_sender.implements(et2_IAligned) ?
-				_sender.get_align() : "left");
+			let align = (_sender?.implements(et2_IAligned) ?
+				_sender?.get_align() : "left");
 
 			if (align == "left" && this.leftDiv != null)
 			{