SQLSTATE[HY000] [2005] Unknown MySQL server host 'mysql516int.manage.myhosting.com' (2)

#0 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/database/database.php(21): PDO->__construct('mysql:host=mysq...', 'u1150784_prohon', 'prohonpetri')
#1 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/database/driver/pdomysql.php(26): SomeDatabase->__construct(Array)
#2 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/database/database.php(50): SomeDatabasePdomysql->__construct(Array)
#3 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/factory.php(93): SomeDatabase::getInstance(Array)
#4 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/session/storage/mysql.php(39): SomeFactory::getDBO()
#5 [internal function]: SomeSessionStorageMysql->read('ccb48ab5a9228eb...')
#6 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/session/session.php(22): session_start()
#7 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/session/session.php(31): SomeSession->__construct('mysql', Array)
#8 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/factory.php(48): SomeSession::getInstance('mysql')
#9 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/application/application.php(39): SomeFactory::getSession()
#10 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/application/application.php(20): SomeApplication->initialize()
#11 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/application/application.php(29): SomeApplication->__construct()
#12 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/library/some/factory.php(73): SomeApplication::getInstance()
#13 /usr/local/pem/vhosts/140910/webspace/httpdocs/prohon.fi/index.php(39): SomeFactory::getApplication()
#14 {main}

debug: PDOException