An error occurred

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Additional information:

Error

File:
/home/pipa/public_html/module/PIPA/src/PIPA/ArchArticle/Controller/Front.php:74
Message:
Call to a member function getSlug() on null
Stack trace:
#0 /home/pipa/public_html/vendor/zendframework/zend-mvc/src/Controller/AbstractActionController.php(76): PIPA\ArchArticle\Controller\Front->articleAction()
#1 /home/pipa/public_html/vendor/zendframework/zend-eventmanager/src/EventManager.php(322): Zend\Mvc\Controller\AbstractActionController->onDispatch(Object(Zend\Mvc\MvcEvent))
#2 /home/pipa/public_html/vendor/zendframework/zend-eventmanager/src/EventManager.php(179): Zend\EventManager\EventManager->triggerListeners(Object(Zend\Mvc\MvcEvent), Object(Closure))
#3 /home/pipa/public_html/vendor/zendframework/zend-mvc/src/Controller/AbstractController.php(104): Zend\EventManager\EventManager->triggerEventUntil(Object(Closure), Object(Zend\Mvc\MvcEvent))
#4 /home/pipa/public_html/vendor/zendframework/zend-mvc/src/DispatchListener.php(137): Zend\Mvc\Controller\AbstractController->dispatch(Object(ArchCore\Request\Request), Object(Zend\Http\PhpEnvironment\Response))
#5 /home/pipa/public_html/vendor/zendframework/zend-eventmanager/src/EventManager.php(322): Zend\Mvc\DispatchListener->onDispatch(Object(Zend\Mvc\MvcEvent))
#6 /home/pipa/public_html/vendor/zendframework/zend-eventmanager/src/EventManager.php(179): Zend\EventManager\EventManager->triggerListeners(Object(Zend\Mvc\MvcEvent), Object(Closure))
#7 /home/pipa/public_html/vendor/zendframework/zend-mvc/src/Application.php(330): Zend\EventManager\EventManager->triggerEventUntil(Object(Closure), Object(Zend\Mvc\MvcEvent))
#8 /home/pipa/public_html/public/index.php(48): Zend\Mvc\Application->run()
#9 {main}