Mensaje de error

• Warning: Undefined property: Drupal\datetime\Plugin\views\argument\YearMonthDate::$date_handler in _calendar_views_track_current_date() (line 37 of modules/sandbox/calendar/calendar.module).

  _calendar_views_track_current_date() (Line: 17)
  calendar_views_pre_render()
  call_user_func_array() (Line: 389)
  Drupal\Core\Extension\ModuleHandler->{closure:Drupal\Core\Extension\ModuleHandler::invokeAll():388}() (Line: 340)
  Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 388)
  Drupal\Core\Extension\ModuleHandler->invokeAll() (Line: 1584)
  Drupal\views\ViewExecutable->render() (Line: 201)
  Drupal\views\Plugin\views\display\Page->execute() (Line: 1686)
  Drupal\views\ViewExecutable->executeDisplay() (Line: 80)
  Drupal\views\Element\View::preRenderViewElement()
  call_user_func_array() (Line: 107)
  Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 910)
  Drupal\Core\Render\Renderer->doCallback() (Line: 441)
  Drupal\Core\Render\Renderer->doRender() (Line: 230)
  Drupal\Core\Render\Renderer->render() (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->{closure:Drupal\Core\Render\MainContent\HtmlRenderer::prepare():235}() (Line: 634)
  Drupal\Core\Render\Renderer::{closure:Drupal\Core\Render\Renderer::executeInRenderContext():634}()
  Fiber->start() (Line: 635)
  Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 235)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 131)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() (Line: 246)
  Symfony\Component\EventDispatcher\EventDispatcher::{closure:Symfony\Component\EventDispatcher\EventDispatcher::optimizeListeners():241}() (Line: 206)
  Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
  Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 188)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
  Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
  Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
  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: 53)
  Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 54)
  Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 745)
  Drupal\Core\DrupalKernel->handle() (Line: 19)
  

• The value 6 is not a valid date argument for month