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Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[08S01]: Communication link failure: 1153 Got a packet bigger than 'max_allowed_packet' bytes in Drupal\dblog\Logger\DbLog->log() (line 78 of core/modules/dblog/src/Logger/DbLog.php).
Drupal\dblog\Logger\DbLog->log() (Line: 103)
Drupal\dblog\Logger\DbLog->log() (Line: 127)
Drupal\Core\Logger\LoggerChannel->log() (Line: 95)
Drupal\Core\Utility\Error::logException() (Line: 340)
Drupal\Core\Cron->Drupal\Core\{closure}() (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 345)
Drupal\Core\Cron->invokeCronHandlers() (Line: 159)
Drupal\Core\Cron->run() (Line: 75)
Drupal\Core\ProxyClass\Cron->run() (Line: 65)
Drupal\automated_cron\EventSubscriber\AutomatedCron->onTerminate()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 115)
Symfony\Component\HttpKernel\HttpKernel->terminate() (Line: 66)
Drupal\Core\StackMiddleware\StackedHttpKernel->terminate() (Line: 715)
Drupal\Core\DrupalKernel->terminate() (Line: 22)

Uncaught exception thrown in shutdown function.

Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM "semaphore" WHERE "value" = :db_condition_placeholder_0; Array ( [:db_condition_placeholder_0] => 18990514086814f1cd347a34.43425204 ) in Drupal\Core\Lock\DatabaseLockBackend->releaseAll() (line 170 of /var/www/vnu.com/web/core/lib/Drupal/Core/Lock/DatabaseLockBackend.php). 

Drupal\Core\Lock\DatabaseLockBackend->releaseAll() (Line: 547)
_drupal_shutdown_function()