Unable to Connect to mySQL Server

MySQL Error : Unable to Connect to mySQL Server
Error Number : 1045. Access denied for user 'infinitech'@'localhost' (using password: YES)
Date : Thu, October 17, 2019 06:31:48
IP : 18.204.48.40
Browser : CCBot/2.0 (https://commoncrawl.org/faq/)
Referer :
PHP Version : 5.6.40
OS : Linux
Server : Apache
Server Name : www.tourismauthority.mu
Script Name : /files/page.php