NotFoundError: Node.removeChild: The node to be removed is not a child of this node
Author: cburwellCreated Mar 29, 2025Updated Sep 1, 2026
Describe the bug Error message appears at top of index.html where decap-cms.js is included via script tag from unpkg.com using manual CMS initialization.
To Reproduce
- Include decap-cms.js
- Manually initialize
- Register two events to "preSave" hook
- Call init()
- Initialize local decap server with npx decap-server
- Navigate to {localhost:port}/admin/index.html
Expected behavior No error expected.
Screenshots https://imgur.com/a/MjVc63H
Applicable Versions:
- Decap CMS version:
[email protected] - Git provider:
proxy - Browser version:
Mozilla/5.0 (X11; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0
CMS configuration
local_backend: true
backend:
name: proxy
branch: master
commit_messages:
create: Create {{collection}} “{{slug}}”
update: Update {{collection}} “{{slug}}”
delete: Delete {{collection}} “{{slug}}”
uploadMedia: Upload “{{path}}”
deleteMedia: Delete “{{path}}”
openAuthoring: "{{message}}"
proxy_url: http://localhost:8081/api/v1
media_folder: public/uploads
public_folder: /uploads
collections:
- name: posts
label: Posts
folder: public/content/posts
create: true
slug: "{{year}}-{{month}}-{{day}}-{{slug}}"
fields:
- name: layout
label: Layout
widget: hidden
default: posts
- name: url
label: URL
widget: hidden
default: "{{slug}}"
- name: title
label: Title
widget: string
- name: date
label: Publish Date
widget: datetime
date_format: MM-DD-YYYY
default: "{{now}}"
- name: author
label: Author
widget: string
default: ""
required: false
- name: description
label: Description
widget: string
default: ""
required: false
- name: thumbnail
label: Featured Image
widget: image
required: false
- name: body
label: Body
widget: markdown
publish: true
type: folder_based_collection
sortable_fields:
- title
- date
- author
- description
view_filters: []
view_groups: []
publish_mode: simple
slug:
encoding: unicode
clean_accents: false
sanitize_replacement: "-"
isFetching: false
error: null
Additional context index.html content:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<meta name="robots" content="noindex"/>
<script src="https://identity.netlify.com/v1/netlify-identity-widget.js"></script>
<title>Content Manager</title>
</head>
<body>
<script src="https://unpkg.com/decap-cms@^3.0.0/dist/decap-cms.js"></script>
<script>
window.CMS_MANUAL_INIT = true
const {CMS, initCMS: init} = window
CMS.registerEventListener({
name: 'preSave',
handler: ({author, entry}) => {
if (!Object.getOwnPropertyDescriptor(entry.get('data'), 'author') ||
entry.get('data').get('author').length === 0) {
let newAuth = "";
if (author && author.name) {
newAuth = author.name;
}
else if (localStorage.getItem('netlify-cms-user')) {
newAuth = JSON.parse(localStorage.getItem('netlify-cms-user'))?.name;
}
else if (author && author.login) {
newAuth = author.login;
}
if (newAuth.length === 0) {
newAuth = "Unknown Author";
}
return entry.get('data').set('author', newAuth);
}
},
});
CMS.registerEventListener({
name: 'preSave',
handler: ({entry}) => {
if (!Object.getOwnPropertyDescriptor(entry.get('data'), 'description') ||
entry.get('data').get('description').length === 0) {
const _body = entry.get('data').get('body');
let _desc = _body.length > 250 ? _body.substring(0, 247).trim() + "..." : _body;
return entry.get('data').set('description', _desc);
}
},
});
init();
</script>
</body>
</html>Source: decaporg/decap-cms