Log in to your cPanel: www.YOURDOMAIN.com/cpanel
Click on “Error Pages” under the section Advanced.
This article covers how to set up error pages in cPanel.
Choose the domain you want to set up error pages for:
Choose “Edit Common Error Codes” or “Show all HTTP Error Status Codes”.
You can edit a Error Page by clicking on it:
You can insert HTML code in the edit box as well as any extra information using the options at the very top.
Note: We will not provide support for coding. However, there are many resources available to help you with this.