Fatal error: Uncaught Symfony\Component\Routing\Exception\ResourceNotFoundException: No routes found for "/sitemap.xml/". in /var/www/html/vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherTrait.php:70 Stack trace: #0 /var/www/html/vendor/symfony/routing/Matcher/UrlMatcher.php(89): Symfony\Component\Routing\Matcher\CompiledUrlMatcher->match('/sitemap.xml/') #1 /var/www/html/vendor/symfony/routing/Router.php(188): Symfony\Component\Routing\Matcher\UrlMatcher->matchRequest(Object(Symfony\Component\HttpFoundation\Request)) #2 /var/www/html/vendor/symfony/http-kernel/EventListener/RouterListener.php(101): Symfony\Component\Routing\Router->matchRequest(Object(Symfony\Component\HttpFoundation\Request)) #3 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(246): Symfony\Component\HttpKernel\EventListener\RouterListener->onKernelRequest(Object(Symfony\Component\HttpKernel\Event\RequestEvent), 'kernel.request', Object(Symfony\Component\EventDispatcher\EventDispatcher)) #4 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(206): Symfony\Component\EventDispatcher\EventDispatcher::{closure:Symfony\Component\EventDispatcher\EventDispatcher::optimizeListeners():241}(Object(Symfony\Component\HttpKernel\Event\RequestEvent), 'kernel.request', Object(Symfony\Component\EventDispatcher\EventDispatcher)) #5 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(56): Symfony\Component\EventDispatcher\EventDispatcher->callListeners(Array, 'kernel.request', Object(Symfony\Component\HttpKernel\Event\RequestEvent)) #6 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(159): Symfony\Component\EventDispatcher\EventDispatcher->dispatch(Object(Symfony\Component\HttpKernel\Event\RequestEvent), 'kernel.request') #7 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #8 /var/www/html/vendor/symfony/http-kernel/Kernel.php(182): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #9 /var/www/html/public/index.php(27): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #10 {main} Next Symfony\Component\HttpKernel\Exception\NotFoundHttpException: No route found for "GET https://app.futureslearn.com/sitemap.xml" in /var/www/html/vendor/symfony/http-kernel/EventListener/RouterListener.php:156 Stack trace: #0 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(246): Symfony\Component\HttpKernel\EventListener\RouterListener->onKernelRequest(Object(Symfony\Component\HttpKernel\Event\RequestEvent), 'kernel.request', Object(Symfony\Component\EventDispatcher\EventDispatcher)) #1 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(206): Symfony\Component\EventDispatcher\EventDispatcher::{closure:Symfony\Component\EventDispatcher\EventDispatcher::optimizeListeners():241}(Object(Symfony\Component\HttpKernel\Event\RequestEvent), 'kernel.request', Object(Symfony\Component\EventDispatcher\EventDispatcher)) #2 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(56): Symfony\Component\EventDispatcher\EventDispatcher->callListeners(Array, 'kernel.request', Object(Symfony\Component\HttpKernel\Event\RequestEvent)) #3 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(159): Symfony\Component\EventDispatcher\EventDispatcher->dispatch(Object(Symfony\Component\HttpKernel\Event\RequestEvent), 'kernel.request') #4 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #5 /var/www/html/vendor/symfony/http-kernel/Kernel.php(182): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #6 /var/www/html/public/index.php(27): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #7 {main} Next Twig\Error\RuntimeError: The "filter" filter expects a sequence/mapping or "Traversable", got "null" in "header/header_right.html.twig" at line 32. in /var/www/html/templates/header/header_right.html.twig:32 Stack trace: #0 /var/www/html/var/cache/prod/twig/3d/3d519b9a75ddbbbe0a8633d1ddc459e3.php(112): Twig\Extension\CoreExtension::filter(Object(Twig\Environment), NULL, Object(Closure)) #1 /var/www/html/vendor/twig/twig/src/Template.php(402): __TwigTemplate_bb31a65b87c222257a61820bc0ac9e1f->doDisplay(Array, Array) #2 /var/www/html/var/cache/prod/twig/3b/3b2e8d57f190c26538b249a6d2c1822c.php(365): Twig\Template->yield(Array) #3 /var/www/html/vendor/twig/twig/src/Template.php(446): __TwigTemplate_90a4434687101d28b3eca421d8b1fa0f->block_header_right(Array, Array) #4 /var/www/html/var/cache/prod/twig/3b/3b2e8d57f190c26538b249a6d2c1822c.php(317): Twig\Template->yieldBlock('header_right', Array, Array) #5 /var/www/html/vendor/twig/twig/src/Template.php(446): __TwigTemplate_90a4434687101d28b3eca421d8b1fa0f->block_header(Array, Array) #6 /var/www/html/var/cache/prod/twig/3b/3b2e8d57f190c26538b249a6d2c1822c.php(245): Twig\Template->yieldBlock('header', Array, Array) #7 /var/www/html/vendor/twig/twig/src/Template.php(446): __TwigTemplate_90a4434687101d28b3eca421d8b1fa0f->block_body(Array, Array) #8 /var/www/html/var/cache/prod/twig/3b/3b2e8d57f190c26538b249a6d2c1822c.php(133): Twig\Template->yieldBlock('body', Array, Array) #9 /var/www/html/vendor/twig/twig/src/Template.php(402): __TwigTemplate_90a4434687101d28b3eca421d8b1fa0f->doDisplay(Array, Array) #10 /var/www/html/var/cache/prod/twig/b5/b5c33ae72cb0ab13c8307b9c7c55704e.php(51): Twig\Template->yield(Array, Array) #11 /var/www/html/vendor/twig/twig/src/Template.php(402): __TwigTemplate_397586ba8cb85f505c0b4d17aa85fd39->doDisplay(Array, Array) #12 /var/www/html/var/cache/prod/twig/52/528d9b2674983926210bf6b37740f98f.php(45): Twig\Template->yield(Array) #13 /var/www/html/vendor/twig/twig/src/Template.php(402): __TwigTemplate_22020cacd4ad87d0dc70a19519da653c->doDisplay(Array, Array) #14 /var/www/html/vendor/twig/twig/src/Template.php(358): Twig\Template->yield(Array, Array) #15 /var/www/html/vendor/twig/twig/src/Template.php(373): Twig\Template->display(Array) #16 /var/www/html/vendor/twig/twig/src/TemplateWrapper.php(51): Twig\Template->render(Array) #17 /var/www/html/vendor/twig/twig/src/Environment.php(333): Twig\TemplateWrapper->render(Array) #18 /var/www/html/vendor/symfony/twig-bridge/ErrorRenderer/TwigErrorRenderer.php(52): Twig\Environment->render('@Twig/Exception...', Array) #19 /var/www/html/vendor/symfony/error-handler/ErrorRenderer/SerializerErrorRenderer.php(67): Symfony\Bridge\Twig\ErrorRenderer\TwigErrorRenderer->render(Object(Symfony\Component\HttpKernel\Exception\NotFoundHttpException)) #20 /var/www/html/vendor/symfony/http-kernel/Controller/ErrorController.php(37): Symfony\Component\ErrorHandler\ErrorRenderer\SerializerErrorRenderer->render(Object(Symfony\Component\HttpKernel\Exception\NotFoundHttpException)) #21 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(183): Symfony\Component\HttpKernel\Controller\ErrorController->__invoke(Object(Symfony\Component\HttpKernel\Exception\NotFoundHttpException)) #22 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 2) #23 /var/www/html/vendor/symfony/http-kernel/EventListener/ErrorListener.php(99): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 2, false) #24 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(246): Symfony\Component\HttpKernel\EventListener\ErrorListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\ExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\EventDispatcher)) #25 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(206): Symfony\Component\EventDispatcher\EventDispatcher::{closure:Symfony\Component\EventDispatcher\EventDispatcher::optimizeListeners():241}(Object(Symfony\Component\HttpKernel\Event\ExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\EventDispatcher)) #26 /var/www/html/vendor/symfony/event-dispatcher/EventDispatcher.php(56): Symfony\Component\EventDispatcher\EventDispatcher->callListeners(Array, 'kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\ExceptionEvent)) #27 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(241): Symfony\Component\EventDispatcher\EventDispatcher->dispatch(Object(Symfony\Component\HttpKernel\Event\ExceptionEvent), 'kernel.exceptio...') #28 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(91): Symfony\Component\HttpKernel\HttpKernel->handleThrowable(Object(Symfony\Component\HttpKernel\Exception\NotFoundHttpException), Object(Symfony\Component\HttpFoundation\Request), 1) #29 /var/www/html/vendor/symfony/http-kernel/Kernel.php(182): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #30 /var/www/html/public/index.php(27): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #31 {main} thrown in /var/www/html/templates/header/header_right.html.twig on line 32