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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)