<pre>Array
(
    [0] => Bitrix\Main\DB\SqlQueryException: Mysql query error: (3) Error writing file '/tmp/MYopk1PQ' (Errcode: 28 "No space left on device") in /app/www/bitrix/modules/main/lib/db/mysqliconnection.php:149
Stack trace:
#0 /app/www/bitrix/modules/main/lib/db/connection.php(327): Bitrix\Main\DB\MysqliConnection->queryInternal('\n\t\t\t\tSELECT FRO...', Array, NULL)
#1 /app/www/bitrix/modules/main/lib/eventmanager.php(247): Bitrix\Main\DB\Connection->query('\n\t\t\t\tSELECT FRO...')
#2 /app/www/bitrix/modules/main/lib/eventmanager.php(340): Bitrix\Main\EventManager->loadEventHandlers()
#3 /app/www/bitrix/modules/main/tools.php(4644): Bitrix\Main\EventManager->findEventHandlers('main', 'OnPageStart')
#4 /app/www/bitrix/modules/main/include.php(171): GetModuleEvents('main', 'OnPageStart', true)
#5 /app/www/bitrix/modules/main/include/prolog_before.php(19): require_once('/app/www/bitrix...')
#6 /app/www/bitrix/modules/main/include/prolog.php(10): require_once('/app/www/bitrix...')
#7 /app/www/bitrix/header.php(1): require_once('/app/www/bitrix...')
#8 /app/www/catalog/index.php(1): require('/app/www/bitrix...')
#9 /app/www/bitrix/modules/main/include/urlrewrite.php(184): include_once('/app/www/catalo...')
#10 /app/www/bitrix/urlrewrite.php(2): include_once('/app/www/bitrix...')
#11 {main}
    [1] => /app/www/bitrix/modules/main/lib/db/mysqliconnection.php
    [2] => 149
)
</pre>