Mensaje de error
Warning: Undefined variable $merged in Drupal\prelinker\Render\HeaderProcessor->processAttachments() (line 237 of modules/contrib/prelinker/src/Render/HeaderProcessor.php).
Drupal\prelinker\Render\HeaderProcessor->processAttachments() (Line: 85) Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage() (Line: 76) Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage() (Line: 104) Drupal\Core\EventSubscriber\MaintenanceModeSubscriber->onMaintenanceModeRequest() (Line: 254) Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206) Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56) Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 63) Drupal\Core\EventSubscriber\MaintenanceModeSubscriber->onKernelRequestMaintenance() (Line: 254) Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206) Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56) Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 253) Symfony\Component\HttpKernel\HttpKernel->handleThrowable() (Line: 92) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53) Drupal\Core\StackMiddleware\Session->handle() (Line: 30) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32) Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 203) Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 140) Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 89) Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 71) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 54) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 753) Drupal\Core\DrupalKernel->handle() (Line: 34) Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() (Line: 32) require() (Line: 22) require_once() (Line: 13)Warning: Undefined variable $merged in Drupal\prelinker\Render\HeaderProcessor->processAttachments() (line 237 of modules/contrib/prelinker/src/Render/HeaderProcessor.php).
Drupal\prelinker\Render\HeaderProcessor->processAttachments() (Line: 45) Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond() (Line: 254) Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206) Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56) Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 228) Symfony\Component\HttpKernel\HttpKernel->filterResponse() (Line: 279) Symfony\Component\HttpKernel\HttpKernel->handleThrowable() (Line: 92) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53) Drupal\Core\StackMiddleware\Session->handle() (Line: 30) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32) Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 203) Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 140) Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 89) Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 71) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 54) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 753) Drupal\Core\DrupalKernel->handle() (Line: 34) Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() (Line: 32) require() (Line: 22) require_once() (Line: 13)