PHP error happened

Technical information
Error type2
Error descriptionmysql_connect(): Access denied for user 'golde89_karen'@'localhost' (using password: YES)
URLwww.daltondatabank.org/DDBIndex/IrelandDB/menu.php?
Error file/home/golde89/public_html/daltondatabank/DDBIndex/IrelandDB/include/dbconnection.php
Error line9
SQL query