Fatal error: Uncaught Twig_Error_Loader: Unable to find template "" (looked into: /var/www/html/app/Resources/views, /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form). in /var/www/html/vendor/twig/twig/lib/Twig/Loader/Filesystem.php:226 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php(76): Twig_Loader_Filesystem->findTemplate('') #1 /var/www/html/vendor/twig/twig/lib/Twig/Loader/Filesystem.php(143): Symfony\Bundle\TwigBundle\Loader\FilesystemLoader->findTemplate('') #2 /var/www/html/vendor/twig/twig/lib/Twig/Environment.php(270): Twig_Loader_Filesystem->getCacheKey('') #3 /var/www/html/vendor/twig/twig/lib/Twig/Environment.php(350): Twig_Environment->getTemplateClass('') #4 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(125): Twig_Environment->loadTemplate('') #5 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(49): Symfony\Bridge\Twig\TwigEngine->load(NULL) #6 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php(45): Symfony\Bridge\Twig\TwigEngine->render(NULL, Array) #7 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(363): Symfony\Bundle\TwigBundle\TwigEngine->render(NULL, Array) #8 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(442): FOS\RestBundle\View\ViewHandler->renderTemplate(Object(FOS\RestBundle\View\View), 'html') #9 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(416): FOS\RestBundle\View\ViewHandler->initResponse(Object(FOS\RestBundle\View\View), 'html') #10 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(300): FOS\RestBundle\View\ViewHandler->createResponse(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request), 'html') #11 /var/www/html/vendor/friendsofsymfony/rest-bundle/EventListener/ViewResponseListener.php(132): FOS\RestBundle\View\ViewHandler->handle(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request)) #12 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\ViewResponseListener->onKernelView(Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent), 'kernel.view', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #13 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.view', Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent)) #14 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(156): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.view', Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent)) #15 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #16 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(200): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #17 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/SubRequestHandler.php(102): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #18 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(448): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle(Object(AppKernel), Object(Symfony\Component\HttpFoundation\Request), 1, true) #19 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/HttpCache/HttpCache.php(57): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #20 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(420): Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #21 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(317): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #22 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #23 /var/www/html/web/app.php(19): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #24 {main} Next InvalidArgumentException: Unable to find template "" (looked into: /var/www/html/app/Resources/views, /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form). in /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php:127 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(49): Symfony\Bridge\Twig\TwigEngine->load(NULL) #1 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php(45): Symfony\Bridge\Twig\TwigEngine->render(NULL, Array) #2 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(363): Symfony\Bundle\TwigBundle\TwigEngine->render(NULL, Array) #3 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(442): FOS\RestBundle\View\ViewHandler->renderTemplate(Object(FOS\RestBundle\View\View), 'html') #4 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(416): FOS\RestBundle\View\ViewHandler->initResponse(Object(FOS\RestBundle\View\View), 'html') #5 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(300): FOS\RestBundle\View\ViewHandler->createResponse(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request), 'html') #6 /var/www/html/vendor/friendsofsymfony/rest-bundle/EventListener/ViewResponseListener.php(132): FOS\RestBundle\View\ViewHandler->handle(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request)) #7 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\ViewResponseListener->onKernelView(Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent), 'kernel.view', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #8 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.view', Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent)) #9 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(156): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.view', Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent)) #10 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #11 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(200): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #12 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/SubRequestHandler.php(102): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #13 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(448): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle(Object(AppKernel), Object(Symfony\Component\HttpFoundation\Request), 1, true) #14 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/HttpCache/HttpCache.php(57): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #15 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(420): Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #16 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(317): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #17 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #18 /var/www/html/web/app.php(19): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #19 {main} Next Twig_Error_Loader: Unable to find template "" (looked into: /var/www/html/app/Resources/views, /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form). in /var/www/html/vendor/twig/twig/lib/Twig/Loader/Filesystem.php:189 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php(76): Twig_Loader_Filesystem->findTemplate('') #1 /var/www/html/vendor/twig/twig/lib/Twig/Loader/Filesystem.php(143): Symfony\Bundle\TwigBundle\Loader\FilesystemLoader->findTemplate('') #2 /var/www/html/vendor/twig/twig/lib/Twig/Environment.php(270): Twig_Loader_Filesystem->getCacheKey('') #3 /var/www/html/vendor/twig/twig/lib/Twig/Environment.php(350): Twig_Environment->getTemplateClass('') #4 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(125): Twig_Environment->loadTemplate('') #5 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(49): Symfony\Bridge\Twig\TwigEngine->load(NULL) #6 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php(45): Symfony\Bridge\Twig\TwigEngine->render(NULL, Array) #7 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(363): Symfony\Bundle\TwigBundle\TwigEngine->render(NULL, Array) #8 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(442): FOS\RestBundle\View\ViewHandler->renderTemplate(Object(FOS\RestBundle\View\View), 'html') #9 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(416): FOS\RestBundle\View\ViewHandler->initResponse(Object(FOS\RestBundle\View\View), 'html') #10 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(300): FOS\RestBundle\View\ViewHandler->createResponse(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request), 'html') #11 /var/www/html/vendor/friendsofsymfony/rest-bundle/Controller/ExceptionController.php(71): FOS\RestBundle\View\ViewHandler->handle(Object(FOS\RestBundle\View\View)) #12 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(151): FOS\RestBundle\Controller\ExceptionController->showAction(Object(Symfony\Component\HttpFoundation\Request), Object(InvalidArgumentException), Object(Symfony\Bridge\Monolog\Logger)) #13 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 2) #14 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php(55): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 2, false) #15 /var/www/html/vendor/friendsofsymfony/rest-bundle/EventListener/ExceptionListener.php(41): Symfony\Component\HttpKernel\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #16 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #17 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #18 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(228): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #19 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(79): Symfony\Component\HttpKernel\HttpKernel->handleException(Object(InvalidArgumentException), Object(Symfony\Component\HttpFoundation\Request), 1) #20 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(200): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #21 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/SubRequestHandler.php(102): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #22 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(448): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle(Object(AppKernel), Object(Symfony\Component\HttpFoundation\Request), 1, true) #23 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/HttpCache/HttpCache.php(57): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #24 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(420): Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #25 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(317): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #26 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #27 /var/www/html/web/app.php(19): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #28 {main} Next InvalidArgumentException: Unable to find template "" (looked into: /var/www/html/app/Resources/views, /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form). in /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php:127 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(49): Symfony\Bridge\Twig\TwigEngine->load(NULL) #1 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php(45): Symfony\Bridge\Twig\TwigEngine->render(NULL, Array) #2 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(363): Symfony\Bundle\TwigBundle\TwigEngine->render(NULL, Array) #3 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(442): FOS\RestBundle\View\ViewHandler->renderTemplate(Object(FOS\RestBundle\View\View), 'html') #4 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(416): FOS\RestBundle\View\ViewHandler->initResponse(Object(FOS\RestBundle\View\View), 'html') #5 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(300): FOS\RestBundle\View\ViewHandler->createResponse(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request), 'html') #6 /var/www/html/vendor/friendsofsymfony/rest-bundle/Controller/ExceptionController.php(71): FOS\RestBundle\View\ViewHandler->handle(Object(FOS\RestBundle\View\View)) #7 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(151): FOS\RestBundle\Controller\ExceptionController->showAction(Object(Symfony\Component\HttpFoundation\Request), Object(InvalidArgumentException), Object(Symfony\Bridge\Monolog\Logger)) #8 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 2) #9 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php(55): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 2, false) #10 /var/www/html/vendor/friendsofsymfony/rest-bundle/EventListener/ExceptionListener.php(41): Symfony\Component\HttpKernel\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #11 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #12 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #13 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(228): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #14 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(79): Symfony\Component\HttpKernel\HttpKernel->handleException(Object(InvalidArgumentException), Object(Symfony\Component\HttpFoundation\Request), 1) #15 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(200): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #16 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/SubRequestHandler.php(102): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #17 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(448): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle(Object(AppKernel), Object(Symfony\Component\HttpFoundation\Request), 1, true) #18 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/HttpCache/HttpCache.php(57): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #19 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(420): Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #20 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(317): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #21 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #22 /var/www/html/web/app.php(19): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #23 {main} Next Twig_Error_Loader: Unable to find template "" (looked into: /var/www/html/app/Resources/views, /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form). in /var/www/html/vendor/twig/twig/lib/Twig/Loader/Filesystem.php:189 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php(76): Twig_Loader_Filesystem->findTemplate('') #1 /var/www/html/vendor/twig/twig/lib/Twig/Loader/Filesystem.php(143): Symfony\Bundle\TwigBundle\Loader\FilesystemLoader->findTemplate('') #2 /var/www/html/vendor/twig/twig/lib/Twig/Environment.php(270): Twig_Loader_Filesystem->getCacheKey('') #3 /var/www/html/vendor/twig/twig/lib/Twig/Environment.php(350): Twig_Environment->getTemplateClass('') #4 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(125): Twig_Environment->loadTemplate('') #5 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(49): Symfony\Bridge\Twig\TwigEngine->load(NULL) #6 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php(45): Symfony\Bridge\Twig\TwigEngine->render(NULL, Array) #7 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(363): Symfony\Bundle\TwigBundle\TwigEngine->render(NULL, Array) #8 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(442): FOS\RestBundle\View\ViewHandler->renderTemplate(Object(FOS\RestBundle\View\View), 'html') #9 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(416): FOS\RestBundle\View\ViewHandler->initResponse(Object(FOS\RestBundle\View\View), 'html') #10 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(300): FOS\RestBundle\View\ViewHandler->createResponse(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request), 'html') #11 /var/www/html/vendor/friendsofsymfony/rest-bundle/Controller/ExceptionController.php(71): FOS\RestBundle\View\ViewHandler->handle(Object(FOS\RestBundle\View\View)) #12 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(151): FOS\RestBundle\Controller\ExceptionController->showAction(Object(Symfony\Component\HttpFoundation\Request), Object(InvalidArgumentException), Object(Symfony\Bridge\Monolog\Logger)) #13 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 2) #14 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php(55): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 2, false) #15 /var/www/html/vendor/friendsofsymfony/rest-bundle/EventListener/ExceptionListener.php(41): Symfony\Component\HttpKernel\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #16 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #17 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #18 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(228): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #19 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(100): Symfony\Component\HttpKernel\HttpKernel->handleException(Object(InvalidArgumentException), Object(Symfony\Component\HttpFoundation\Request), 1) #20 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php(113): Symfony\Component\HttpKernel\HttpKernel->terminateWithException(Object(InvalidArgumentException), Object(Symfony\Component\HttpFoundation\Request)) #21 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Debug/ErrorHandler.php(588): Symfony\Component\HttpKernel\EventListener\DebugHandlersListener->Symfony\Component\HttpKernel\EventListener\{closure}(Object(InvalidArgumentException)) #22 [internal function]: Symfony\Component\Debug\ErrorHandler->handleException(Object(InvalidArgumentException)) #23 {main} Next InvalidArgumentException: Unable to find template "" (looked into: /var/www/html/app/Resources/views, /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form). in /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php:127 Stack trace: #0 /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php(49): Symfony\Bridge\Twig\TwigEngine->load(NULL) #1 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php(45): Symfony\Bridge\Twig\TwigEngine->render(NULL, Array) #2 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(363): Symfony\Bundle\TwigBundle\TwigEngine->render(NULL, Array) #3 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(442): FOS\RestBundle\View\ViewHandler->renderTemplate(Object(FOS\RestBundle\View\View), 'html') #4 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(416): FOS\RestBundle\View\ViewHandler->initResponse(Object(FOS\RestBundle\View\View), 'html') #5 /var/www/html/vendor/friendsofsymfony/rest-bundle/View/ViewHandler.php(300): FOS\RestBundle\View\ViewHandler->createResponse(Object(FOS\RestBundle\View\View), Object(Symfony\Component\HttpFoundation\Request), 'html') #6 /var/www/html/vendor/friendsofsymfony/rest-bundle/Controller/ExceptionController.php(71): FOS\RestBundle\View\ViewHandler->handle(Object(FOS\RestBundle\View\View)) #7 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(151): FOS\RestBundle\Controller\ExceptionController->showAction(Object(Symfony\Component\HttpFoundation\Request), Object(InvalidArgumentException), Object(Symfony\Bridge\Monolog\Logger)) #8 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 2) #9 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php(55): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 2, false) #10 /var/www/html/vendor/friendsofsymfony/rest-bundle/EventListener/ExceptionListener.php(41): Symfony\Component\HttpKernel\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #11 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #12 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #13 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(228): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.exceptio...', Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #14 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(100): Symfony\Component\HttpKernel\HttpKernel->handleException(Object(InvalidArgumentException), Object(Symfony\Component\HttpFoundation\Request), 1) #15 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php(113): Symfony\Component\HttpKernel\HttpKernel->terminateWithException(Object(InvalidArgumentException), Object(Symfony\Component\HttpFoundation\Request)) #16 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/Debug/ErrorHandler.php(588): Symfony\Component\HttpKernel\EventListener\DebugHandlersListener->Symfony\Component\HttpKernel\EventListener\{closure}(Object(InvalidArgumentException)) #17 [internal function]: Symfony\Component\Debug\ErrorHandler->handleException(Object(InvalidArgumentException)) #18 {main} thrown in /var/www/html/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php on line 127