PHP error happened

Technical information
Error type2
Error descriptionmysql_connect() [function.mysql-connect]: Access denied for user 'fatsaco_dewetc'@'localhost' (using password: YES)
URLwww.fatsa.co.za/list/training_center_list.php?pagesize=100
Error file/home/fatsaco/public_html/list/include/dbconnection.php
Error line9
SQL query