Will I need to change anything in AWS? Will it break this plugin's functionality?
you will have to re-configure the plugin.
The plugin configuration is saved with site's url. So when you do the re-configuration you will create another entry in the database.
If you don't want that extra entry in the db, and you are able to use phpmyadmin or mysql console, in table (wp_db_prefix)_asssu there must be an entry with your site's url, change that to your new site url.
Cool. Thanks for a quick response!
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