Fatal error: Uncaught TypeError: Argument 1 passed to Application\Mapper\TutorialMapper::getPaginatedTutorials() must be of the type int, null given, called in /home/apprendre/src/Application/Mapper/TutorialMapper.php on line 217 and defined in /home/apprendre/src/Application/Mapper/TutorialMapper.php:174 Stack trace: #0 /home/apprendre/src/Application/Mapper/TutorialMapper.php(217): Application\Mapper\TutorialMapper->getPaginatedTutorials(NULL, 10, 1, 't.datePosted DE...') #1 /home/apprendre/src/Application/Controller/SyndicationController.php(40): Application\Mapper\TutorialMapper->getTutorials(10) #2 /home/apprendre/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(151): Application\Controller\SyndicationController->tutorials(Object(Symfony\Component\HttpFoundation\Request)) #3 /home/apprendre/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #4 /home/apprendre/src/Appli in /home/apprendre/src/Application/Mapper/TutorialMapper.php on line 174