MailPoetVendor\Doctrine\DBAL\Exception\DriverException thrown

An exception occurred while executing 'SELECT t0.name AS name_1, t0.value AS value_2, t0.id AS id_3, t0.created_at AS created_at_4, t0.updated_at AS updated_at_5 FROM wp_chfv279xtt_mailpoet_settings t0': SQLSTATE[HY000]: General error: 2006 MySQL server has gone away