May I kindly ask for some help?
I'm still stuck here, every attempt to modify any category or to create new ones fails (see below).
Thanks!An error has occurred.
0 3 arguments are required, 2 given
Call stack#FunctionLocation1()JROOT/libraries/src/Language/Text.php:2812sprintf()JROOT/libraries/src/Language/Text.php:2813Joomla\CMS\Language\Text::sprintf()JROOT/administrator/components/com_kunena/src/Controller/CategoryController.php:1864Kunena\Forum\Administrator\Controller\CategoryController->internalSave()JROOT/administrator/components/com_kunena/src/Controller/CategoryController.php:2525Kunena\Forum\Administrator\Controller\CategoryController->apply()JROOT/libraries/kunena/src/Controller/KunenaController.php:3196Kunena\Forum\Libraries\Controller\KunenaController->executeTask()JROOT/libraries/kunena/src/Controller/KunenaController.php:2267Kunena\Forum\Libraries\Controller\KunenaController->execute()JROOT/libraries/src/Dispatcher/ComponentDispatcher.php:1438Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch()JROOT/libraries/src/Component/ComponentHelper.php:3619Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/AdministratorApplication.php:14310Joomla\CMS\Application\AdministratorApplication->dispatch()JROOT/libraries/src/Application/AdministratorApplication.php:18611Joomla\CMS\Application\AdministratorApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:29312Joomla\CMS\Application\CMSApplication->execute()JROOT/administrator/includes/app.php:6113require_once()JROOT/administrator/index.php:32