An exception occured while bootstrapping the application.

SQLSTATE[08004] [1040] Too many connections
Stack Trace:
#0 /var/www/lib/ZendFramework-1.11.4-minimal/library/Zend/Db/Adapter/Pdo/Mysql.php(96): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /var/www/lib/ZendFramework-1.11.4-minimal/library/Zend/Db/Adapter/Abstract.php(858): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /var/www/lib/ZendFramework-1.11.4-minimal/library/Zend/Db/Adapter/Abstract.php(928): Zend_Db_Adapter_Abstract->quote(Array, NULL)
#3 /var/www/lib/ZendFramework-1.11.4-minimal/library/Zend/Db/Select.php(1000): Zend_Db_Adapter_Abstract->quoteInto('`from` = ? AND ...', Array, NULL)
#4 /var/www/lib/ZendFramework-1.11.4-minimal/library/Zend/Db/Select.php(475): Zend_Db_Select->_where('`from` = ? AND ...', Array, NULL, true)
#5 /var/www/vhosts/site.winkworth.supadu.com/application/bootstrap.php(125): Zend_Db_Select->where('`from` = ? AND ...', Array)
#6 /var/www/vhosts/site.winkworth.supadu.com/application/bootstrap.php(98): Bootstrap->prepare()
#7 /var/www/vhosts/site.winkworth.supadu.com/httpdocs/index.php(13): Bootstrap->start()
#8 {main}