What does this message mean?

what does this mean?

Warning: mysql_connect(): Access denied for user ‘softgoow_daimz’@‘localhost’ (using password: YES) in /home/softgoow/public_html/CMS_template/CMS_testing/reading.php on line 2
I cannot connect to the database because: Access denied for user ‘softgoow_daimz’@‘localhost’ (using password: YES)

I am trying to connect to a database on my host/server and I get this when I run the reading.php file.