Hi @trent_nguyen,
Can you share how you did the change?
I mean, can you share the commands and steps you followed?
Or can you check if you're using something different to:
- Copy files to the new directory
- Check the configuration credentials are ok in app/etc/env.php (It should since you're just moving the same instance from directory)
- Adjust the URLs (web/unsecure/base_url и web/secure/base_url options) in the database using UPDATE core_config_data SET value = 'http://mysite.ie/' WHERE path IN ('web/secure/base_url', 'web/unsecure/base_url') AND value = 'http://mysite.ie/magento2/';
- Refresh your cache with: php bin/magento cache:flush
- If you are in production mode you could need to execute: php bin/magento setup:static-content:deploy
Also, can you check your host is properly configured? Maybe using a single php file and trying to access to that file?
Finally, can you check the webserver and Magento error logs to see if there is something that can help to understand if there is another issue?