Bootstrap Error: SQLSTATE[28000] [1045] Access denied for user 'root'@'46.189.117.72' (using password: YES)

#0 /usr/local/zend/share/ZendFramework/library/Zend/Db/Adapter/Pdo/Mysql.php(109): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /usr/local/zend/share/ZendFramework/library/Zend/Db/Adapter/Abstract.php(459): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /usr/local/zend/share/ZendFramework/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SET NAMES 'utf8...', Array)
#3 /var/www/appollo-apps.com/application/Bootstrap.php(183): Zend_Db_Adapter_Pdo_Abstract->query('SET NAMES 'utf8...')
#4 /usr/local/zend/share/ZendFramework/library/Zend/Application/Bootstrap/BootstrapAbstract.php(669): Bootstrap->_initDB()
#5 /usr/local/zend/share/ZendFramework/library/Zend/Application/Bootstrap/BootstrapAbstract.php(622): Zend_Application_Bootstrap_BootstrapAbstract->_executeResource('db')
#6 /usr/local/zend/share/ZendFramework/library/Zend/Application/Bootstrap/BootstrapAbstract.php(586): Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap(NULL)
#7 /usr/local/zend/share/ZendFramework/library/Zend/Application.php(355): Zend_Application_Bootstrap_BootstrapAbstract->bootstrap(NULL)
#8 /var/www/appollo-apps.com/public/index.php(41): Zend_Application->bootstrap()
#9 {main}