Check URLs on Database

Since you copied a database from popayan.xyz, the site URL is still set to that domain. You need to change it.
Option A: Edit the database directly via phpMyAdmin
Go to phpMyAdmin in your Blacknight panel

Open the new database for NEWWEBSITE.IE

Go to the table wp_options

Change these two values:

siteurl → https://NEWWEBSITE.IE
home → https://NEWWEBSITE.IE