Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in /public/website/mcmusic.ro/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:105 Stack trace: #0 /public/website/mcmusic.ro/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(105): PDOStatement->execute(NULL) #1 /public/website/mcmusic.ro/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(847): Doctrine\DBAL\Driver\PDOStatement->execute() #2 /public/website/mcmusic.ro/vendor/doctrine/dbal/lib/Doctrine/DBAL/Query/QueryBuilder.php(206): Doctrine\DBAL\Connection->executeQuery('SELECT SUM(pc.g...', Array, Array) #3 /public/website/mcmusic.ro/modules/productcomments/src/Repository/ProductCommentRepository.php(166): Doctrine\DBAL\Query\QueryBuilder->execute() #4 /public/website/mcmusic.ro/modules/productcomments/productcomments.php(1145): PrestaShop\Module\ProductComment\Repository\ProductCommentRepository->getAverageGrade('10974', '1') #5 /public/website/mcmusic.ro/modules/productcomments/productco in /public/website/mcmusic.ro/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 115