Mathematics, BS

Error message

• Warning: Undefined array key 1 in menu_block_theme_suggestions_block_alter() (line 47 of modules/contrib/menu_block/menu_block.module).

  menu_block_theme_suggestions_block_alter() (Line: 552)
  Drupal\Core\Extension\ModuleHandler->alter() (Line: 393)
  Drupal\Core\Theme\ThemeManager->buildThemeHookSuggestions() (Line: 220)
  Drupal\Core\Theme\ThemeManager->render() (Line: 491)
  Drupal\Core\Render\Renderer->doRender() (Line: 504)
  Drupal\Core\Render\Renderer->doRender() (Line: 248)
  Drupal\Core\Render\Renderer->render() (Line: 484)
  Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 68)
  __TwigTemplate_5bc00704fe7b9f0a5b3b72a4034f21ec->doDisplay() (Line: 388)
  Twig\Template->yield() (Line: 252)
  __TwigTemplate_96b5e79e6c7f554bcb758fcdf3bdc43c->block_footer() (Line: 432)
  Twig\Template->yieldBlock() (Line: 220)
  __TwigTemplate_96b5e79e6c7f554bcb758fcdf3bdc43c->doDisplay() (Line: 388)
  Twig\Template->yield() (Line: 344)
  Twig\Template->display() (Line: 359)
  Twig\Template->render() (Line: 51)
  Twig\TemplateWrapper->render() (Line: 33)
  twig_render_template() (Line: 348)
  Drupal\Core\Theme\ThemeManager->render() (Line: 491)
  Drupal\Core\Render\Renderer->doRender() (Line: 248)
  Drupal\Core\Render\Renderer->render() (Line: 484)
  Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 119)
  __TwigTemplate_7c5e5e6b6e9cab23fca6ded114c5495c->doDisplay() (Line: 388)
  Twig\Template->yield() (Line: 344)
  Twig\Template->display() (Line: 359)
  Twig\Template->render() (Line: 51)
  Twig\TemplateWrapper->render() (Line: 33)
  twig_render_template() (Line: 348)
  Drupal\Core\Theme\ThemeManager->render() (Line: 491)
  Drupal\Core\Render\Renderer->doRender() (Line: 248)
  Drupal\Core\Render\Renderer->render() (Line: 158)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 638)
  Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 153)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
  call_user_func() (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
  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: 201)
  Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
  Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
  Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
  Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
  Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
  Drupal\Core\DrupalKernel->handle() (Line: 19)
  

• Warning: Undefined array key 1 in menu_block_theme_suggestions_block_alter() (line 47 of modules/contrib/menu_block/menu_block.module).

  menu_block_theme_suggestions_block_alter() (Line: 552)
  Drupal\Core\Extension\ModuleHandler->alter() (Line: 393)
  Drupal\Core\Theme\ThemeManager->buildThemeHookSuggestions() (Line: 220)
  Drupal\Core\Theme\ThemeManager->render() (Line: 491)
  Drupal\Core\Render\Renderer->doRender() (Line: 504)
  Drupal\Core\Render\Renderer->doRender() (Line: 248)
  Drupal\Core\Render\Renderer->render() (Line: 484)
  Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 92)
  __TwigTemplate_5bc00704fe7b9f0a5b3b72a4034f21ec->doDisplay() (Line: 388)
  Twig\Template->yield() (Line: 252)
  __TwigTemplate_96b5e79e6c7f554bcb758fcdf3bdc43c->block_footer() (Line: 432)
  Twig\Template->yieldBlock() (Line: 220)
  __TwigTemplate_96b5e79e6c7f554bcb758fcdf3bdc43c->doDisplay() (Line: 388)
  Twig\Template->yield() (Line: 344)
  Twig\Template->display() (Line: 359)
  Twig\Template->render() (Line: 51)
  Twig\TemplateWrapper->render() (Line: 33)
  twig_render_template() (Line: 348)
  Drupal\Core\Theme\ThemeManager->render() (Line: 491)
  Drupal\Core\Render\Renderer->doRender() (Line: 248)
  Drupal\Core\Render\Renderer->render() (Line: 484)
  Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 119)
  __TwigTemplate_7c5e5e6b6e9cab23fca6ded114c5495c->doDisplay() (Line: 388)
  Twig\Template->yield() (Line: 344)
  Twig\Template->display() (Line: 359)
  Twig\Template->render() (Line: 51)
  Twig\TemplateWrapper->render() (Line: 33)
  twig_render_template() (Line: 348)
  Drupal\Core\Theme\ThemeManager->render() (Line: 491)
  Drupal\Core\Render\Renderer->doRender() (Line: 248)
  Drupal\Core\Render\Renderer->render() (Line: 158)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 638)
  Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 153)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
  call_user_func() (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
  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: 201)
  Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
  Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
  Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
  Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
  Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
  Drupal\Core\DrupalKernel->handle() (Line: 19)