Exception class: RuntimeException()

ERROR: Cannot connect to MySQL database.
Possible reasons:

• MySQL is not configured propertly in config.lua.
• MySQL server is not running.

SQLSTATE[HY000] [1045] Access denied for user 'mytheraot'@'localhost' (using password: YES)


Backtrace:

#0 C:\xampp\htdocs\system\init.php(127): require_once()
#1 C:\xampp\htdocs\index.php(179): require_once('C:\\xampp\\htdocs...')
#2 {main}