Errors when install new module

Two errors messages when install new modules:

Please, look at this errors from log:

Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: CREATE TABLE {batch} ( `bid` INT unsigned NOT NULL COMMENT 'Primary Key: Unique batch ID.', `token` VARCHAR(64) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL COMMENT 'A string token generated against the current user\'s session id and the batch id, used to ensure that only the user who submitted the batch can effectively access it.', `timestamp` INT NOT NULL COMMENT 'A Unix timestamp indicating when this batch was submitted for processing. Stale batches are purged at cron time.', `batch` LONGBLOB NULL DEFAULT NULL COMMENT 'A serialized array containing the processing data for the batch.', PRIMARY KEY (`bid`), INDEX `token` (`token`) ) ENGINE = InnoDB DEFAULT CHARACTER SET utf8mb4 COMMENT 'Stores details about batches (processes that run in…'; Array ( ) в Drupal\Core\Batch\BatchStorage->ensureTableExists() (строка 170 файла /home/hooligan.site/web/hooligan.site/public_html/core/lib/Drupal/Core/Batch/BatchStorage.php).

and

User error: Drupal\Core\Database\DatabaseExceptionWrapper thrown while calling __toString on a Drupal\Core\StringTranslation\TranslatableMarkup object in /home/hooligan.site/web/hooligan.site/public_html/core/lib/Drupal/Core/Database/Connection.php on line 671: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT s.*, t.language AS language, t.translation AS translation, t.customized AS customized FROM {locales_source} s LEFT OUTER JOIN {locales_target} t ON t.lid = s.lid AND t.language = :langcode WHERE (s.source IN (:db_condition_placeholder_0)) AND (s.context IN (:db_condition_placeholder_1)); Array ( [:db_condition_placeholder_0] => The website encountered an unexpected error. Please try again later. [:db_condition_placeholder_1] => [:langcode] => ru ) в Drupal\Core\StringTranslation\TranslatableMarkup->__toString() (строка 20 файла /home/hooligan.site/web/hooligan.site/public_html/core/lib/Drupal/Component/Utility/ToStringTrait.php).

Please, help. Is it some db damage? What can i do to repair?