Error

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Error message

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {cache_views} WHERE (cid = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => date_views_fields_node ) in cache_clear_all() (line 173 of /var/www/html/includes/cache.inc).