SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '728_CONFIG_GLOBAL_CRONTAB' for key 'PRIMARY'

#0 /var/www/vhosts/workingperson.com/htdocs/lib/Zend/Db/Statement.php(300): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/vhosts/workingperson.com/htdocs/lib/Zend/Db/Adapter/Abstract.php(468): Zend_Db_Statement->execute(Array)
#2 /var/www/vhosts/workingperson.com/htdocs/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('INSERT INTO `co...', Array)
#3 /var/www/vhosts/workingperson.com/htdocs/lib/Varien/Db/Adapter/Pdo/Mysql.php(333): Zend_Db_Adapter_Pdo_Abstract->query('INSERT INTO `co...', Array)
#4 /var/www/vhosts/workingperson.com/htdocs/lib/Zend/Db/Adapter/Abstract.php(546): Varien_Db_Adapter_Pdo_Mysql->query('INSERT INTO `co...', Array)
#5 /var/www/vhosts/workingperson.com/htdocs/lib/Varien/Cache/Backend/Database.php(197): Zend_Db_Adapter_Abstract->insert('core_cache', Array)
#6 /var/www/vhosts/workingperson.com/htdocs/lib/Zend/Cache/Backend/TwoLevels.php(181): Varien_Cache_Backend_Database->save('a:4:{s:4:"data"...', '728_CONFIG_GLOB...', Array, NULL)
#7 /var/www/vhosts/workingperson.com/htdocs/lib/Zend/Cache/Core.php(381): Zend_Cache_Backend_TwoLevels->save('save('save('save('saveCache('_saveCache('saveCache()
#14 /var/www/vhosts/workingperson.com/htdocs/app/code/local/Mage/Core/Model/App.php(295): Mage_Core_Model_App->_initModules()
#15 /var/www/vhosts/workingperson.com/htdocs/app/Mage.php(596): Mage_Core_Model_App->run(Array)
#16 /var/www/vhosts/workingperson.com/htdocs/index.php(82): Mage::run('', 'store')
#17 {main}