Why is Trusted Host Errors still showing

My Mautic/server specs: 3.3.5 Installation on Ubuntu 20.04 with PHP 7.3 and MySQL 5.7

Error message from LOG:

[2023-02-13 12:39:56] mautic.ERROR: Symfony\Component\HttpKernel\Exception\BadRequestHttpException: Untrusted Host “xxx.domain.com” - in file /var/www/html/vendor/symfony/http-kernel/EventListener/RouterListener.php - at line 120

ERROR MESSAGE ON URL: The site is currently offline due to encountering an error. If the problem persists, please contact the system administrator.

System administrators, check server logs for errors.

I have done the editing of the local.php file where I removed the trusted host values earlier added that resulted to the issue. Clear the catch and still nothing was fixed.
Note: In app/config/local.php file I have removed the entries from
‘trusted_hosts’ => array(