How to create custom error pages in cPanel?

Please follow the steps below:

1. Click on the "Error Pages" icon under the Advanced menu.
2. Select a domain to see the common error codes.
3. See all HTTP Error status codes.
4. Create different custom pages.
5. It shows a simple HTML Editor.
6. There are many server variables you can use.
7. Create a simple page and click on the "Save" button.
8. Now try with a non-existing URL.
9. It will display the custom error page you have just created.