Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in /usr/www/users/ledertra/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:105 Stack trace: #0 /usr/www/users/ledertra/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(105): PDOStatement->execute(Array) #1 /usr/www/users/ledertra/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(849): Doctrine\DBAL\Driver\PDOStatement->execute(Array) #2 /usr/www/users/ledertra/pimcore/lib/Pimcore/Db/PimcoreExtensionsTrait.php(93): Doctrine\DBAL\Connection->executeQuery('SELECT date FRO...', Array, Array, NULL) #3 /usr/www/users/ledertra/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(541): Pimcore\Db\Connection->executeQuery('SELECT date FRO...', Array, Array) #4 /usr/www/users/ledertra/pimcore/lib/Pimcore/Db/PimcoreExtensionsTrait.php(303): Doctrine\DBAL\Connection->fetchColumn('SELECT date FRO...', Array, 0, Array) #5 /usr/www/users/ledertra/pimcore/lib/Pimcore/Bundle/CoreBundle/EventListener/Respons in /usr/www/users/ledertra/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 115