# Message frequency rule and email delete issue

**URL:** <https://forum.mautic.org/t/message-frequency-rule-and-email-delete-issue/18232>\
**Category:** Product Support\
**Tags:** mautic-3\
**Created:** [February 20, 2021, 9:07am UTC](https://forum.mautic.org/t/message-frequency-rule-and-email-delete-issue/18232 "2021-02-20T09:07:44Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![lanaprinzip](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/lanaprinzip/32/4481_2.png) [@lanaprinzip](https://forum.mautic.org/u/lanaprinzip)\
**Post date:** [February 20, 2021, 7:11pm UTC](https://forum.mautic.org/t/message-frequency-rule-and-email-delete-issue/18232/3 "2021-02-20T19:11:20Z")

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Hi, thanks!

The log shows, that the DB goes away…

2021-02-20 20:08:22 Error 500 POST /s/emails/delete/12?mauticUserLastActive=31&mauticLastNotificationId= HTTP/1.0 [https://private.dom/s/emails](https://private.dom/s/emails) Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 893 SSL/TLS-Zugriff für Apache  
2021-02-20 20:08:24 Warning xxxx AH01071: Got error ‘PHP message: PHP Warning: mysqli\_stmt::execute(): MySQL server has gone away in /var/www/vhosts/private.dom/mautic path/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php on line 150PHP message: PHP Warning: mysqli\_stmt::execute(): Error reading result set’s header in /var/www/vhosts/mautic path /vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php on line 150’, referer: [https://private.dom/s/emails](https://private.dom/s/emails)

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