SQLSTATE[HY000] [2006] MySQL server has gone away

#0 /apps/venus-rec/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /apps/venus-rec/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Abstract.php(460): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /apps/venus-rec/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('set names utf8m...', Array)
#3 /apps/venus-rec/Application/Model/Db/Connector.php(68): Zend_Db_Adapter_Pdo_Abstract->query('set names utf8m...')
#4 /apps/venus-rec/Application/Controller/Public/Abstract.php(52): Application_Model_Db_Connector->getMaster()
#5 /apps/venus-rec/Application/Controller/Abstract.php(30): Application_Controller_Public_Abstract->_init()
#6 /apps/venus-rec/vendor/zendframework/zendframework1/library/Zend/Controller/Action.php(133): Application_Controller_Abstract->init()
#7 /apps/venus-rec/vendor/zendframework/zendframework1/library/Zend/Controller/Dispatcher/Standard.php(281): Zend_Controller_Action->__construct(Object(Application_Controller_Request_Http), Object(Zend_Controller_Response_Http), Array)
#8 /apps/venus-rec/vendor/zendframework/zendframework1/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Application_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#9 /apps/venus-rec/Interface/Public.php(123): Zend_Controller_Front->dispatch()
#10 {main}