Error message

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT name, filename FROM {system} WHERE status = 1 AND bootstrap = 1 AND type = 'module' ORDER BY weight ASC, name ASC; Array ( ) in system_list() (line 136 of /var/www/html/shimins/includes/module.inc).

Error

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