Getting Page not found or 404 page error when editing page with Elementor

Change the permalink

Follow the below steps:

1. Go to the WP Admin.

2. Go to Settings > Permalinks.

3. Set to Plain.

Raise memory limit

Follow the below steps:

1. Go to Elementor > System Info.

2. Check your memory limit in your system info. If it is less than 256MB, ask your hosting company to raise it to, at least, 256MB. Use the following: https://wordpress.org/support/article/editing-wp-config-php/#increasing-memory-allocated-to-php

Switch the front-end editor loader method

Follow the below steps:

1. Go to WP Admin.

2. Go to Elementor > Settings > Advanced.

Enable Switch Editor Loader Method.