An error occurred

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Additional information:

Error

File:
/home/fabriqueformation/www/module/Application/src/Controller/IndexController.php:122
Message:
Call to a member function getCategoryId() on null
Stack trace:
#0 /home/fabriqueformation/www/vendor/laminas/laminas-mvc/src/Controller/AbstractActionController.php(77): Application\Controller\IndexController->trainingAction()
#1 /home/fabriqueformation/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(331): Laminas\Mvc\Controller\AbstractActionController->onDispatch()
#2 /home/fabriqueformation/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(188): Laminas\EventManager\EventManager->triggerListeners()
#3 /home/fabriqueformation/www/vendor/laminas/laminas-mvc/src/Controller/AbstractController.php(103): Laminas\EventManager\EventManager->triggerEventUntil()
#4 /home/fabriqueformation/www/vendor/laminas/laminas-mvc/src/DispatchListener.php(138): Laminas\Mvc\Controller\AbstractController->dispatch()
#5 /home/fabriqueformation/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(331): Laminas\Mvc\DispatchListener->onDispatch()
#6 /home/fabriqueformation/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(188): Laminas\EventManager\EventManager->triggerListeners()
#7 /home/fabriqueformation/www/vendor/laminas/laminas-mvc/src/Application.php(331): Laminas\EventManager\EventManager->triggerEventUntil()
#8 /home/fabriqueformation/www/public/index.php(42): Laminas\Mvc\Application->run()
#9 {main}