PHP error happened

Technical information
Error type8192
Error descriptionmysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead
URLwww.vdebate.org/data/News_list.php?a=search&value=1&SearchFor=blog.vdebate&SearchOption=Contains&SearchField=link
Error file/home/vdebate3/public_html/data/include/dbconnection.php
Error line9
SQL query