An error occurred

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Additional information:

Zend\Db\Adapter\Exception\RuntimeException

File:
/data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Db/Adapter/Driver/Pdo/Connection.php:328
Message:
Connect Error: SQLSTATE[HY000] [2003] Can't connect to MySQL server on '1.1.3.20' (111)
Stack trace:
#0 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Db/Adapter/Driver/Pdo/Pdo.php(249): Zend\Db\Adapter\Driver\Pdo\Connection->connect()
#1 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Db/Sql/Sql.php(120): Zend\Db\Adapter\Driver\Pdo\Pdo->createStatement()
#2 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Db/TableGateway/AbstractTableGateway.php(232): Zend\Db\Sql\Sql->prepareStatementForSqlObject(Object(Zend\Db\Sql\Select))
#3 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Db/TableGateway/AbstractTableGateway.php(208): Zend\Db\TableGateway\AbstractTableGateway->executeSelect(Object(Zend\Db\Sql\Select))
#4 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Db/TableGateway/AbstractTableGateway.php(195): Zend\Db\TableGateway\AbstractTableGateway->selectWith(Object(Zend\Db\Sql\Select))
#5 /data/Concertticketsq/module/Application/src/Application/Model/PerformerTable.php(106): Zend\Db\TableGateway\AbstractTableGateway->select(Object(Closure))
#6 /data/Concertticketsq/module/Application/src/Application/Model/PerformerTable.php(90): Application\Model\PerformerTable->getPerformerByCatAndNameDash(2, 'missy-elliott')
#7 /data/Concertticketsq/module/Application/src/Application/Controller/EventController.php(245): Application\Model\PerformerTable->existInCat(2, 'missy-elliott')
#8 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Mvc/Controller/AbstractActionController.php(83): Application\Controller\EventController->eventAction()
#9 [internal function]: Zend\Mvc\Controller\AbstractActionController->onDispatch(Object(Zend\Mvc\MvcEvent))
#10 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(468): call_user_func(Array, Object(Zend\Mvc\MvcEvent))
#11 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(207): Zend\EventManager\EventManager->triggerListeners('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure))
#12 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Mvc/Controller/AbstractController.php(117): Zend\EventManager\EventManager->trigger('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure))
#13 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Mvc/DispatchListener.php(114): Zend\Mvc\Controller\AbstractController->dispatch(Object(Zend\Http\PhpEnvironment\Request), Object(Zend\Http\PhpEnvironment\Response))
#14 [internal function]: Zend\Mvc\DispatchListener->onDispatch(Object(Zend\Mvc\MvcEvent))
#15 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(468): call_user_func(Array, Object(Zend\Mvc\MvcEvent))
#16 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(207): Zend\EventManager\EventManager->triggerListeners('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure))
#17 /data/Concertticketsq/vendor/zendframework/zendframework/library/Zend/Mvc/Application.php(313): Zend\EventManager\EventManager->trigger('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure))
#18 /data/Concertticketsq/public/index.php(23): Zend\Mvc\Application->run()
#19 {main}

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