An internal error occurred

An error occurred during execution; please try again later.

Exception class
RuntimeException
File
/var/www/tickety.ie/module/Sales/src/View/Helper/Theme.php:42
Message
The theme view helper has not been initialised.
Stack trace
#0 /var/www/tickety.ie/vendor/laminas/laminas-view/src/Renderer/PhpRenderer.php(414): Sales\View\Helper\Theme->__invoke()
#1 /var/www/tickety.ie/module/Sales/view/layout/layout.phtml(21): Laminas\View\Renderer\PhpRenderer->__call()
#2 /var/www/tickety.ie/vendor/laminas/laminas-view/src/Renderer/PhpRenderer.php(526): include('...')
#3 /var/www/tickety.ie/vendor/laminas/laminas-view/src/View.php(194): Laminas\View\Renderer\PhpRenderer->render()
#4 /var/www/tickety.ie/vendor/laminas/laminas-mvc/src/View/Http/DefaultRenderingStrategy.php(92): Laminas\View\View->render()
#5 /var/www/tickety.ie/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Laminas\Mvc\View\Http\DefaultRenderingStrategy->render()
#6 /var/www/tickety.ie/vendor/laminas/laminas-eventmanager/src/EventManager.php(170): Laminas\EventManager\EventManager->triggerListeners()
#7 /var/www/tickety.ie/vendor/laminas/laminas-mvc/src/Application.php(354): Laminas\EventManager\EventManager->triggerEvent()
#8 /var/www/tickety.ie/vendor/laminas/laminas-mvc/src/Application.php(335): Laminas\Mvc\Application->completeRequest()
#9 /var/www/tickety.ie/public/index.php(17): Laminas\Mvc\Application->run()
#10 {main}