SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '811_cache_config' for key 'PRIMARY'

#0 /var/www/vhosts/workingperson.com/httpdocs/lib/Zend/Db/Statement.php(300): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/vhosts/workingperson.com/httpdocs/lib/Zend/Db/Adapter/Abstract.php(468): Zend_Db_Statement->execute(Array)
#2 /var/www/vhosts/workingperson.com/httpdocs/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('INSERT INTO `co...', Array)
#3 /var/www/vhosts/workingperson.com/httpdocs/lib/Varien/Db/Adapter/Pdo/Mysql.php(333): Zend_Db_Adapter_Pdo_Abstract->query('INSERT INTO `co...', Array)
#4 /var/www/vhosts/workingperson.com/httpdocs/lib/Zend/Db/Adapter/Abstract.php(546): Varien_Db_Adapter_Pdo_Mysql->query('INSERT INTO `co...', Array)
#5 /var/www/vhosts/workingperson.com/httpdocs/lib/Varien/Cache/Backend/Database.php(197): Zend_Db_Adapter_Abstract->insert('core_cache', Array)
#6 /var/www/vhosts/workingperson.com/httpdocs/lib/Zend/Cache/Backend/TwoLevels.php(181): Varien_Cache_Backend_Database->save('a:4:{s:4:"data"...', '811_cache_confi...', Array, NULL)
#7 /var/www/vhosts/workingperson.com/httpdocs/lib/Zend/Cache/Core.php(381): Zend_Cache_Backend_TwoLevels->save('save('save('_saveCache('saveCache(Array)
#12 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Mage/Core/Model/Config.php(1206): Enterprise_PageCache_Model_Config->__construct(Array)
#13 /var/www/vhosts/workingperson.com/httpdocs/app/Mage.php(432): Mage_Core_Model_Config->getModelInstance('enterprise_page...', Array)
#14 /var/www/vhosts/workingperson.com/httpdocs/app/Mage.php(446): Mage::getModel('enterprise_page...', Array)
#15 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Enterprise/PageCache/Model/Observer.php(47): Mage::getSingleton('enterprise_page...')
#16 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Mage/Core/Model/Config.php(1206): Enterprise_PageCache_Model_Observer->__construct(Array)
#17 /var/www/vhosts/workingperson.com/httpdocs/app/Mage.php(432): Mage_Core_Model_Config->getModelInstance('enterprise_page...', Array)
#18 /var/www/vhosts/workingperson.com/httpdocs/app/Mage.php(446): Mage::getModel('enterprise_page...', Array)
#19 /var/www/vhosts/workingperson.com/httpdocs/app/code/local/Mage/Core/Model/App.php(1208): Mage::getSingleton('enterprise_page...')
#20 /var/www/vhosts/workingperson.com/httpdocs/app/Mage.php(416): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array)
#21 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(497): Mage::dispatchEvent('controller_acti...', Array)
#22 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Mage/Core/Controller/Front/Action.php(59): Mage_Core_Controller_Varien_Action->preDispatch()
#23 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(407): Mage_Core_Controller_Front_Action->preDispatch()
#24 /var/www/vhosts/workingperson.com/httpdocs/app/code/local/Mage/Core/Controller/Varien/Router/Standard.php(259): Mage_Core_Controller_Varien_Action->dispatch('view')
#25 /var/www/vhosts/workingperson.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(177): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#26 /var/www/vhosts/workingperson.com/httpdocs/app/code/local/Mage/Core/Model/App.php(304): Mage_Core_Controller_Varien_Front->dispatch()
#27 /var/www/vhosts/workingperson.com/httpdocs/app/Mage.php(596): Mage_Core_Model_App->run(Array)
#28 /var/www/vhosts/workingperson.com/httpdocs/index.php(82): Mage::run('', 'store')
#29 {main}