To create or modify a custom error page, follow these steps:
1. In the Advanced section of the cPanel home screen, click Error Pages.
2. Select Domain to Manage Error Pages.
3. Click the error page that you want to customize.
4. Type the HTML that you want to use in the error page. You can use the buttons at the top of the page to insert variables into your code for dynamic content.
5. Click Save.
