Warning: mysql_connect(): MySQL server has gone away in /home/ciac/public_html/conecta.php on line 2

Warning: mysql_connect(): Error while reading greeting packet. PID=21495 in /home/ciac/public_html/conecta.php on line 2

Warning: mysql_connect(): MySQL server has gone away in /home/ciac/public_html/conecta.php on line 2
I cannot connect to the database because: MySQL server has gone away