From 54f5f659f7c42bdb36e4adc0a340cad424ebf699 Mon Sep 17 00:00:00 2001
From: Rishabh <zrishabhgarg@gmail.com>
Date: Tue, 19 Oct 2021 13:03:23 +0530
Subject: [PATCH] Fixed preview iframe communication error messages

no refs
---
 ghost/admin/app/controllers/settings/membership.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ghost/admin/app/controllers/settings/membership.js b/ghost/admin/app/controllers/settings/membership.js
index d06dcd0fd4..bab1186608 100644
--- a/ghost/admin/app/controllers/settings/membership.js
+++ b/ghost/admin/app/controllers/settings/membership.js
@@ -265,7 +265,7 @@ export default class MembersAccessController extends Controller {
                 }
 
                 const resizeEvents = ['portal-ready', 'portal-preview-updated'];
-                if (resizeEvents.includes(event.data.type) && event.data.payload?.height) {
+                if (resizeEvents.includes(event.data.type) && event.data.payload?.height && this.portalPreviewIframe.parentNode) {
                     this.portalPreviewIframe.parentNode.style.height = `${event.data.payload.height}px`;
                 }
             };