Joomla! Template ET Cloud Plus - Item Support

Загружаю ваш шаблон и у меня ломается joomla.
Call to undefined method Joomla\CMS\Application\AdministratorApplication::isAdmin()
Call stack
# Function Location
1 () JROOT/plugins/system/helixultimate/helixultimate.php:135
2 plgSystemHelixultimate->onAfterRoute() JROOT/libraries/src/Plugin/CMSPlugin.php:285
3 Joomla\CMS\Plugin\CMSPlugin->Joomla\CMS\Plugin\{closure}() JROOT/libraries/vendor/joomla/event/src/Dispatcher.php:486
4 Joomla\Event\Dispatcher->dispatch() JROOT/libraries/src/Application/EventAware.php:111
5 Joomla\CMS\Application\WebApplication->triggerEvent() JROOT/libraries/src/Application/AdministratorApplication.php:547
6 Joomla\CMS\Application\AdministratorApplication->route() JROOT/libraries/src/Application/AdministratorApplication.php:171
7 Joomla\CMS\Application\AdministratorApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:278
8 Joomla\CMS\Application\CMSApplication->execute() JROOT/administrator/includes/app.php:63
9 require_once() JROOT/administrator/index.php:32
I installed the free version of the template package several times on a clean joomla.
Comment in status pending...

It will be published after it has been approved by the Website Administrator.
It is written that this template is for joomla 4
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Item Name:
ET Cloud Plus
$29.00 $23.10
Regular License
This item may be used for a single domain only.
$39.00 $31.20
Extended License

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