Error message

• Warning: Undefined array key "tab" in b5casafrica_preprocess_node() (line 275 of themes/custom/b5casafrica/b5casafrica.theme).

  b5casafrica_preprocess_node(Array, 'node', Array)
  call_user_func_array('b5casafrica_preprocess_node', Array) (Line: 261)
  Drupal\Core\Theme\ThemeManager->render('node', Array) (Line: 480)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 238)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 231)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 128)
  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: 58)
  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: 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: 704)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Notice: Object of class Drupal\Core\StringTranslation\TranslatableMarkup could not be converted to int in __TwigTemplate_479c41fe3843679ffd7f79073e6e1e73->doDisplay() (line 44 of sites/default/files/php/twig/67362e4193309_ca-who.html.twig_nSulhOYekg0W8vx65Woij0v6E/SQykRFZ9BtGuqsutA1eYUJ7FvPjnXDVvPPFN0egaL-g.php).

  __TwigTemplate_479c41fe3843679ffd7f79073e6e1e73->doDisplay(Array, Array) (Line: 394)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367)
  Twig\Template->display(Array) (Line: 379)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 39)
  twig_render_template('modules/custom/ca_blocks/templates/ca-who.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('ca_who', Array) (Line: 480)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
  Drupal\Core\Render\Renderer->render(Array) (Line: 475)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 81)
  __TwigTemplate_7ccd78796d15288eefc583e87e0ef3da->block_content(Array, Array) (Line: 171)
  Twig\Template->displayBlock('content', Array, Array) (Line: 68)
  __TwigTemplate_7ccd78796d15288eefc583e87e0ef3da->doDisplay(Array, Array) (Line: 394)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367)
  Twig\Template->display(Array) (Line: 379)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 39)
  twig_render_template('themes/contrib/bootstrap5/templates/block/block.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('block', Array) (Line: 480)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 493)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
  Drupal\Core\Render\Renderer->render(Array) (Line: 475)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 46)
  __TwigTemplate_92e9117a3afeee2b2192badf088c1438->doDisplay(Array, Array) (Line: 394)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367)
  Twig\Template->display(Array) (Line: 379)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 39)
  twig_render_template('themes/custom/b5casafrica/templates/layouts/one-column.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('one_column', Array) (Line: 480)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
  Drupal\Core\Render\Renderer->render(Array) (Line: 475)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 100)
  __TwigTemplate_3e75a06afa6a67a12534a5c85f0d2348->doDisplay(Array, Array) (Line: 394)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367)
  Twig\Template->display(Array) (Line: 379)
  Twig\Template->render(Array) (Line: 38)
  Twig\TemplateWrapper->render(Array) (Line: 39)
  twig_render_template('themes/custom/b5casafrica/templates/content/landing_page/node--landing-page--full.html.twig', Array) (Line: 348)
  Drupal\Core\Theme\ThemeManager->render('node', Array) (Line: 480)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 238)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 231)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 128)
  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: 58)
  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: 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: 704)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)