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TypeError: Argument 2 passed to Drupal\Core\Controller\TitleResolver::getTitle() must be an instance of Symfony\Component\Routing\Route, null given, called in /var/www/html/energylab/modules/token/token.tokens.inc on line 741 in Drupal\Core\Controller\TitleResolver->getTitle() (line 39 of core/lib/Drupal/Core/Controller/TitleResolver.php).
Drupal\Core\Controller\TitleResolver->getTitle(Object, NULL) (Line: 741)
token_tokens('current-page', Array, Array, Array, Object)
call_user_func_array('token_tokens', Array) (Line: 402)
Drupal\Core\Extension\ModuleHandler->invokeAll('tokens', Array) (Line: 304)
Drupal\Core\Utility\Token->generate('current-page', Array, Array, Array, Object) (Line: 196)
Drupal\Core\Utility\Token->replace('[current-page:title] | [site:name]', Array, Array) (Line: 43)
Drupal\metatag\MetatagToken->replace('[current-page:title] | [site:name]', Array, Array) (Line: 463)
Drupal\metatag\MetatagManager->generateRawElements(Array, NULL) (Line: 392)
Drupal\metatag\MetatagManager->generateElements(Array, NULL) (Line: 360)
metatag_get_tags_from_route() (Line: 301)
metatag_preprocess_html(Array, 'html', Array) (Line: 287)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 435)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 195)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 139)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 574)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 140)
Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage(Array, Object, 'maintenance_page', Array) (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage(Array, Object, 'maintenance_page') (Line: 111)
Drupal\Core\EventSubscriber\MaintenanceModeSubscriber->onKernelRequestMaintenance(Object, 'kernel.exception', Object) (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.exception', Object) (Line: 212)
Symfony\Component\HttpKernel\HttpKernel->handleException(Object, Object, 1) (Line: 68)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 207)
Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 121)
Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 75)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 50)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 663)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)