رسالة الخطأ

• Warning: Attempt to read property "uri" on null in Drupal\custom\Plugin\Block\EventsBlock->data() (line 46 of modules/custom/custom/src/Plugin/Block/EventsBlock.php).

  Drupal\custom\Plugin\Block\EventsBlock->data() (Line: 61)
  Drupal\custom\Plugin\Block\EventsBlock->build() (Line: 138)
  Drupal\twig_tweak\View\BlockViewBuilder->build('events_block', Array, ) (Line: 149)
  Drupal\twig_tweak\TwigTweakExtension::drupalBlock('events_block', Array, ) (Line: 118)
  __TwigTemplate_54522f740ae995f01af21442f8d3c779->doDisplay(Array, Array) (Line: 360)
  Twig\Template->yield(Array) (Line: 335)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 33)
  twig_render_template('themes/custom/books_portal/templates/system/page--front.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 491)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 248)
  Drupal\Core\Render\Renderer->render(Array) (Line: 475)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 91)
  __TwigTemplate_71211dadd38dca6c2101b5ceb082c006->doDisplay(Array, Array) (Line: 360)
  Twig\Template->yield(Array) (Line: 335)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 33)
  twig_render_template('themes/custom/books_portal/templates/system/html.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 491)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 248)
  Drupal\Core\Render\Renderer->render(Array) (Line: 158)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 638)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 53)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
  Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 32)
  Drupal\big_pipe\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
  Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 741)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Attempt to read property "value" on null in Drupal\custom\Plugin\Block\EventsBlock->data() (line 46 of modules/custom/custom/src/Plugin/Block/EventsBlock.php).

  Drupal\custom\Plugin\Block\EventsBlock->data() (Line: 61)
  Drupal\custom\Plugin\Block\EventsBlock->build() (Line: 138)
  Drupal\twig_tweak\View\BlockViewBuilder->build('events_block', Array, ) (Line: 149)
  Drupal\twig_tweak\TwigTweakExtension::drupalBlock('events_block', Array, ) (Line: 118)
  __TwigTemplate_54522f740ae995f01af21442f8d3c779->doDisplay(Array, Array) (Line: 360)
  Twig\Template->yield(Array) (Line: 335)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 33)
  twig_render_template('themes/custom/books_portal/templates/system/page--front.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 491)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 248)
  Drupal\Core\Render\Renderer->render(Array) (Line: 475)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 91)
  __TwigTemplate_71211dadd38dca6c2101b5ceb082c006->doDisplay(Array, Array) (Line: 360)
  Twig\Template->yield(Array) (Line: 335)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 33)
  twig_render_template('themes/custom/books_portal/templates/system/html.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 491)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 248)
  Drupal\Core\Render\Renderer->render(Array) (Line: 158)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 638)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 53)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
  Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 32)
  Drupal\big_pipe\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
  Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 741)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)