I keep getting this error when I try to access my sql server I have also tried to flush it myself but it says that I have to get a system administrator to do it so please help me 
Warning: mysql_connect() [function.mysql-connect]: Host '74.86.133.24' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' in /home/tenneth/public_html/index.php on line 120
Host '74.86.133.24' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'
Warning: mysql_connect() [function.mysql-connect]: Host '74.86.133.24' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' in /home/tenneth/public_html/index.php on line 120
Host '74.86.133.24' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'
