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 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