what does this mean

Mysql error:
Lost connection to MySQL server during query

Debug backtrace:
Array
(
    [1] => Array
        (
            [file] => /commuity/templates/base/scripts/BxBaseConfig.php
            [line] => 23
            [args] => Array
                (
                    [0] => /commuity/inc/db.inc.php
                )

            [function] => require_once
        )

    [2] => Array
        (
            [file] =>
 /commuity/templates/tmpl_uni/scripts/BxTemplConfig.php
            [line] => 21
            [args] => Array
                (
                    [0] =>
 /commuity/templates/base/scripts/BxBaseConfig.php
                )

            [function] => require_once
        )

    [3] => Array
        (
            [file] => /commuity/inc/params.inc.php
            [line] => 90
            [args] => Array
                (
                    [0] =>
 /commuity/templates/tmpl_uni/scripts/BxTemplConfig.php
                )

            [function] => require_once
        )

    [4] => Array
        (
            [file] => /commuity/orca/xml/design.php
            [line] => 16
            [args] => Array
                (
                    [0] => /commuity/inc/params.inc.php
                )

            [function] => require_once
        )

    [5] => Array
        (
            [file] => /commuity/orca/index.php
            [line] => 62
            [args] => Array
                (
                    [0] => /commuity/orca/xml/design.php
                )

            [function] => require_once
        )

)


Called script: /commuity/orca/index.php

Request parameters:
Array
(
    [action] => rss_all
)


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