Error message

• Notice: Undefined index: type in Drupal\Core\Theme\ThemeManager->render() (line 328 of core/lib/Drupal/Core/Theme/ThemeManager.php).

  Drupal\Core\Theme\ThemeManager->render('field', 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: 76)
  __TwigTemplate_29c793e32a5af882eebddfea084172a8fa8917a9a5b8e02a9764b1936bc5feae->doDisplay(Array, Array) (Line: 455)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 422)
  Twig\Template->display(Array) (Line: 434)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', 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: 126)
  __TwigTemplate_db512b6b7e0d602029659e55d113b8f4dd62d230d7683991f85fb36c3b27c604->doDisplay(Array, Array) (Line: 455)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 422)
  Twig\Template->display(Array) (Line: 434)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/contrib/bootstrap/templates/views/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', 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: 90)
  __TwigTemplate_e654746ac0348e1d7ff4cf10e19da63caa4f0632f584ccd4887a5db4c70aa166->block_content(Array, Array) (Line: 216)
  Twig\Template->displayBlock('content', Array, Array) (Line: 80)
  __TwigTemplate_e654746ac0348e1d7ff4cf10e19da63caa4f0632f584ccd4887a5db4c70aa166->doDisplay(Array, Array) (Line: 455)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 422)
  Twig\Template->display(Array) (Line: 434)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/custom/university/block.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: 68)
  __TwigTemplate_f8a99eed68ec2391b5bf4a318b74604cf8882419b191cabe590cbd05e452caa0->doDisplay(Array, Array) (Line: 455)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 422)
  Twig\Template->display(Array) (Line: 434)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/custom/university/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: 122)
  __TwigTemplate_e0a4ee7617a7c196d63308b408ae097146ed0e243e3d53961fe0306fb1f0d0b0->doDisplay(Array, Array) (Line: 455)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 422)
  Twig\Template->display(Array) (Line: 434)
  Twig\Template->render(Array) (Line: 64)
  twig_render_template('themes/custom/university/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)