Fatal error: Uncaught Error: Call to a member function getDistricts() on null in /var/www/module/Application/view/layout/teacher.phtml:651 Stack trace: #0 /var/www/vendor/laminas/laminas-view/src/Renderer/PhpRenderer.php(526): include() #1 /var/www/vendor/laminas/laminas-view/src/View.php(194): Laminas\View\Renderer\PhpRenderer->render(NULL) #2 /var/www/vendor/laminas/laminas-mvc/src/View/Http/DefaultRenderingStrategy.php(92): Laminas\View\View->render(Object(Laminas\View\Model\ViewModel)) #3 /var/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Laminas\Mvc\View\Http\DefaultRenderingStrategy->render(Object(Laminas\Mvc\MvcEvent)) #4 /var/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(170): Laminas\EventManager\EventManager->triggerListeners(Object(Laminas\Mvc\MvcEvent)) #5 /var/www/vendor/laminas/laminas-mvc/src/View/Http/DefaultRenderingStrategy.php(110): Laminas\EventManager\EventManager->triggerEvent(Object(Laminas\Mvc\MvcEvent)) #6 /var/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Laminas\Mvc\View\Http\DefaultRenderingStrategy->render(Object(Laminas\Mvc\MvcEvent)) #7 /var/www/vendor/laminas/laminas-eventmanager/src/EventManager.php(170): Laminas\EventManager\EventManager->triggerListeners(Object(Laminas\Mvc\MvcEvent)) #8 /var/www/vendor/laminas/laminas-mvc/src/Application.php(354): Laminas\EventManager\EventManager->triggerEvent(Object(Laminas\Mvc\MvcEvent)) #9 /var/www/vendor/laminas/laminas-mvc/src/Application.php(335): Laminas\Mvc\Application->completeRequest(Object(Laminas\Mvc\MvcEvent)) #10 /var/www/html/index.php(48): Laminas\Mvc\Application->run() #11 {main} thrown in /var/www/module/Application/view/layout/teacher.phtml on line 651