Recount Statistics : Unknown fetch type '8'

[rich20]

Describe the bug
Recounting statistics results in an error

Actual result

| Function | Location
-- | -- | --
1 | () | JROOT/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php:509
2 | Joomla\Database\Mysqli\MysqliStatement->fetch() | JROOT/libraries/vendor/joomla/database/src/DatabaseDriver.php:725
3 | Joomla\Database\DatabaseDriver->fetchObject() | JROOT/libraries/vendor/joomla/database/src/DatabaseDriver.php:1307
4 | Joomla\Database\DatabaseDriver->loadObjectList() | JROOT/libraries/kunena/src/Attachment/KunenaAttachmentHelper.php:528
5 | Kunena\Forum\Libraries\Attachment\KunenaAttachmentHelper::cleanup() | JROOT/administrator/components/com_kunena/src/Controller/ToolsController.php:532
6 | Kunena\Forum\Administrator\Controller\ToolsController->doRecount() | JROOT/libraries/src/MVC/Controller/BaseController.php:730
7 | Joomla\CMS\MVC\Controller\BaseController->execute() | JROOT/libraries/src/Dispatcher/ComponentDispatcher.php:143
8 | Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch() | JROOT/libraries/src/Component/ComponentHelper.php:361
9 | Joomla\CMS\Component\ComponentHelper::renderComponent() | JROOT/libraries/src/Application/AdministratorApplication.php:150
10 | Joomla\CMS\Application\AdministratorApplication->dispatch() | JROOT/libraries/src/Application/AdministratorApplication.php:195
11 | Joomla\CMS\Application\AdministratorApplication->doExecute() | JROOT/libraries/src/Application/CMSApplication.php:306
12 | Joomla\CMS\Application\CMSApplication->execute() | JROOT/administrator/includes/app.php:58
13 | require_once() | JROOT/administrator/index.php:32

System information

• Joomla version: ‎5.2.1-dev
• Joomla template: CASSIOPEIA
• Kunena version: 6.3.7-DEV
• Kunena template: Aurelia
• Php version: 8.3.12 & 8.2.24
• Database version: 10.5.26-MariaDB

Desktop

• OS: Ubuntu 22.04.5 LTS
• Browser: Chromium, Firefox and Opera