From f252d85b1a2f91e136402a22e08f5a732355032b Mon Sep 17 00:00:00 2001
From: Juan <jcamejo3@gmail.com>
Date: Thu, 3 Sep 2020 12:12:10 +0200
Subject: [PATCH] validating presence of component before removal

---
 src/dom_components/model/Components.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/dom_components/model/Components.js b/src/dom_components/model/Components.js
index d6b9689f1..bad644704 100644
--- a/src/dom_components/model/Components.js
+++ b/src/dom_components/model/Components.js
@@ -22,6 +22,12 @@ export default Backbone.Collection.extend({
   },
 
   removeChildren(removed, coll, opts = {}) {
+    // Removing a parent component can cause this function
+    // to be called with an already removed child element
+    if (!removed) {
+      return;
+    }
+
     const { domc, em } = this;
     const allByID = domc ? domc.allById() : {};