Error message

• Notice: Undefined index: content in Drupal\views_php\Plugin\views\area\ViewsPhp->render() (line 52 of modules\contrib\views_php\src\Plugin\views\area\ViewsPhp.php).

  Drupal\views_php\Plugin\views\area\ViewsPhp->render() (Line: 2298)
  Drupal\views\Plugin\views\display\DisplayPluginBase->renderArea('header', ) (Line: 2243)
  Drupal\views\Plugin\views\display\DisplayPluginBase->elementPreRender(Array)
  call_user_func_array(Array, Array) (Line: 100)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in 8.8.0 and will be removed in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 781)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 372)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 444)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 501)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 97)
  __TwigTemplate_f4605e834f2cbd28c092f3cf4b262ed3469816535f227dc27269a2858e915f80->block_content(Array, Array) (Line: 214)
  Twig\Template->displayBlock('content', Array, Array) (Line: 85)
  __TwigTemplate_f4605e834f2cbd28c092f3cf4b262ed3469816535f227dc27269a2858e915f80->doDisplay(Array, Array) (Line: 453)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 420)
  Twig\Template->display(Array) (Line: 432)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/dccourts/templates/block/block--views-block--live-cases-xml--block-1.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('block', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 444)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 501)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 196)
  __TwigTemplate_2396c93f5550d56d0886fe8002ce892f8b822375a87a9e9b2ec115ef3402dbb5->doDisplay(Array, Array) (Line: 453)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 420)
  Twig\Template->display(Array) (Line: 432)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/dccourts/templates/system/page.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 501)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 120)
  __TwigTemplate_5d6ae03ca2857fcb4db78abafe984b22f06b381ac738125623540ef7b941ead1->doDisplay(Array, Array) (Line: 453)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 420)
  Twig\Template->display(Array) (Line: 432)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/dccourts/templates/system/html.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 147)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 148)
  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('kernel.view', Object) (Line: 156)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(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: 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: 47)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Deprecated function: Function create_function() is deprecated in Drupal\views_php\Plugin\views\area\ViewsPhp->renderViewsPhp() (line 64 of modules\contrib\views_php\src\Plugin\views\area\ViewsPhp.php).

  Drupal\views_php\Plugin\views\area\ViewsPhp->renderViewsPhp(NULL) (Line: 52)
  Drupal\views_php\Plugin\views\area\ViewsPhp->render() (Line: 2298)
  Drupal\views\Plugin\views\display\DisplayPluginBase->renderArea('header', ) (Line: 2243)
  Drupal\views\Plugin\views\display\DisplayPluginBase->elementPreRender(Array)
  call_user_func_array(Array, Array) (Line: 100)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in 8.8.0 and will be removed in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 781)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 372)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 444)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 501)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 97)
  __TwigTemplate_f4605e834f2cbd28c092f3cf4b262ed3469816535f227dc27269a2858e915f80->block_content(Array, Array) (Line: 214)
  Twig\Template->displayBlock('content', Array, Array) (Line: 85)
  __TwigTemplate_f4605e834f2cbd28c092f3cf4b262ed3469816535f227dc27269a2858e915f80->doDisplay(Array, Array) (Line: 453)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 420)
  Twig\Template->display(Array) (Line: 432)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/dccourts/templates/block/block--views-block--live-cases-xml--block-1.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('block', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 444)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 501)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 196)
  __TwigTemplate_2396c93f5550d56d0886fe8002ce892f8b822375a87a9e9b2ec115ef3402dbb5->doDisplay(Array, Array) (Line: 453)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 420)
  Twig\Template->display(Array) (Line: 432)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/dccourts/templates/system/page.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 501)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 120)
  __TwigTemplate_5d6ae03ca2857fcb4db78abafe984b22f06b381ac738125623540ef7b941ead1->doDisplay(Array, Array) (Line: 453)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 420)
  Twig\Template->display(Array) (Line: 432)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/dccourts/templates/system/html.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 147)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 148)
  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('kernel.view', Object) (Line: 156)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(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: 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: 47)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)