While running the Cron Exec Mail Notifications I get this error:

Cron exec

This script will execute the next task in the cron queue. You should normally call it with the CLI (command line interface) version of PHP and automate that call through a cron.

Requesting lock on task #1165 [Email notifications (item)]

Starting task #1165 [Email notifications (item)] at 12:17:25.
An unexpected error has occurred!

If this error persists, please report it to the administrator.

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Información adicional sobre este error:

MySQL error!

MySQL server has gone away(Errno=2006)

Your query:

INSERT IGNORE INTO evo_plugin_subscriptions_85_pings (ping_id, ping_type)

VALUES ('2010', "item")

An unexpected error has occurred!

If this error persists, please report it to the administrator.

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Información adicional sobre este error:

MySQL error!

MySQL server has gone away(Errno=2006)

Your query:

SELECT dom_ID

FROM evo_basedomains

WHERE dom_name = 'literanova.net'

Any ideas how to solve it?