Error | CDH 2020

Error message

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT 1 AS expression FROM {variable} variable WHERE ( (name = :db_condition_placeholder_0) ); Array ( [:db_condition_placeholder_0] => cron_last ) in variable_set() (line 1258 of /newproject/dh2020/includes/bootstrap.inc).

Error

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Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 10727090966dc8cd7130ee6.20997572 ) in lock_release_all() (line 269 of /newproject/dh2020/includes/lock.inc).