after joomla 5 update i receive this error:
Symfony\Component\ErrorHandler\Error\ClassNotFoundError:
Attempted to load class "Helper" from namespace "HelixUltimate\Framework\Platform".
Did you forget a "use" statement for another namespace?
at /var/www/html/deplazioblack/templates/wt_grandy_free/error.php:19
at require()
(/var/www/html/deplazioblack/libraries/src/Document/HtmlDocument.php:731)
at Joomla\CMS\Document\HtmlDocument->_loadTemplate()
(/var/www/html/deplazioblack/libraries/src/Document/HtmlDocument.php:785)
at Joomla\CMS\Document\HtmlDocument->_fetchTemplate()
(/var/www/html/deplazioblack/libraries/src/Document/HtmlDocument.php:622)
at Joomla\CMS\Document\HtmlDocument->parse()
(/var/www/html/deplazioblack/libraries/src/Document/HtmlDocument.php:640)
at Joomla\CMS\Document\HtmlDocument->render()
(/var/www/html/deplazioblack/libraries/src/Document/ErrorDocument.php:139)
at Joomla\CMS\Document\ErrorDocument->render()
(/var/www/html/deplazioblack/libraries/src/Error/Renderer/HtmlRenderer.php:70)
at Joomla\CMS\Error\Renderer\HtmlRenderer->render()
(/var/www/html/deplazioblack/libraries/src/Exception/ExceptionHandler.php:136)
at Joomla\CMS\Exception\ExceptionHandler::render()
(/var/www/html/deplazioblack/libraries/src/Exception/ExceptionHandler.php:73)
at Joomla\CMS\Exception\ExceptionHandler::handleException()
(/var/www/html/deplazioblack/libraries/src/Application/CMSApplication.php:336)
at Joomla\CMS\Application\CMSApplication->execute()
(/var/www/html/deplazioblack/includes/app.php:58)
at require_once('/var/www/html/deplazioblack/includes/app.php')
(/var/www/html/deplazioblack/index.php:32)
