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
https://piarbook.ru/1/1234.PNG
Item Name:
ET Cloud Plus
Downloads:
40
Sales:
8
Created:
2021-10-15
Updated:
2023-05-16
Item Version:
4.0.0
Supported Joomla:
Joomla 4 Product
$29.00 $23.10
Regular License
This item may be used for a single domain only.
$39.00 $31.20
Extended License

Engine Tempaltes Club

Templates Club
Get an access to all 178 items designed and developed by Engine Templates team plus all the future items which will be released over the course of your club subscription.

Price starting from $59.00