a:6:{s:5:"%type";s:6:"Notice";s:8:"@message";O:25:"Drupal\Core\Render\Markup":1:{s:9:"*string";s:26:"Undefined index: installed";}s:9:"%function";s:16:"libraries_load()";s:5:"%file";s:70:"/var/www/yaffs-drupal-8/web/modules/contrib/libraries/libraries.module";s:5:"%line";i:707;s:17:"@backtrace_string";s:6755:"#0 /var/www/yaffs-drupal-8/web/core/includes/bootstrap.inc(566): _drupal_error_handler_real(8, 'Undefined index...', '/var/www/yaffs-...', 707, Array)
#1 /var/www/yaffs-drupal-8/web/modules/contrib/libraries/libraries.module(707): _drupal_error_handler(8, 'Undefined index...', '/var/www/yaffs-...', 707, Array)
#2 /var/www/yaffs-drupal-8/web/modules/contrib/htmlawed/src/Plugin/Filter/Filterhtmlawed.php(64): libraries_load('htmLawed')
#3 /var/www/yaffs-drupal-8/web/core/modules/filter/src/Element/ProcessedText.php(112): Drupal\htmlawed\Plugin\Filter\Filterhtmlawed->process('<p>For experime...', 'und')
#4 [internal function]: Drupal\filter\Element\ProcessedText::preRenderText(Array)
#5 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/Renderer.php(376): call_user_func(Array, Array)
#6 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/Renderer.php(195): Drupal\Core\Render\Renderer->doRender(Array, true)
#7 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/Renderer.php(151): Drupal\Core\Render\Renderer->render(Array, true)
#8 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/Renderer.php(574): Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}()
#9 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/Renderer.php(152): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#10 /var/www/yaffs-drupal-8/web/core/modules/filter/filter.module(302): Drupal\Core\Render\Renderer->renderPlain(Array)
#11 /var/www/yaffs-drupal-8/web/core/modules/text/src/TextProcessed.php(51): check_markup('<p>For experime...', 'full_html', 'und')
#12 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Field/FieldItemBase.php(140): Drupal\text\TextProcessed->getValue()
#13 /var/www/yaffs-drupal-8/web/core/modules/node/node.tokens.inc(135): Drupal\Core\Field\FieldItemBase->__get('summary_process...')
#14 [internal function]: node_tokens('node', Array, Array, Array, Object(Drupal\Core\Render\BubbleableMetadata))
#15 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Extension/ModuleHandler.php(402): call_user_func_array('node_tokens', Array)
#16 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Utility/Token.php(304): Drupal\Core\Extension\ModuleHandler->invokeAll('tokens', Array)
#17 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Utility/Token.php(196): Drupal\Core\Utility\Token->generate('node', Array, Array, Array, Object(Drupal\Core\Render\BubbleableMetadata))
#18 /var/www/yaffs-drupal-8/web/modules/contrib/metatag/src/MetatagToken.php(43): Drupal\Core\Utility\Token->replace('[node:summary]', Array, Array)
#19 /var/www/yaffs-drupal-8/web/modules/contrib/metatag/src/MetatagManager.php(463): Drupal\metatag\MetatagToken->replace('[node:summary]', Array, Array)
#20 /var/www/yaffs-drupal-8/web/modules/contrib/metatag/src/MetatagManager.php(392): Drupal\metatag\MetatagManager->generateRawElements(Array, Object(Drupal\node\Entity\Node))
#21 /var/www/yaffs-drupal-8/web/modules/contrib/metatag/metatag.module(356): Drupal\metatag\MetatagManager->generateElements(Array, Object(Drupal\node\Entity\Node))
#22 /var/www/yaffs-drupal-8/web/modules/contrib/metatag/metatag.module(114): metatag_get_tags_from_route()
#23 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(297): metatag_page_attachments(Array)
#24 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(273): Drupal\Core\Render\MainContent\HtmlRenderer->invokePageAttachmentHooks(Array)
#25 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(117): Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch))
#26 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php(90): Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch))
#27 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(111): Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))
#28 /var/www/yaffs-drupal-8/vendor/symfony/http-kernel/HttpKernel.php(149): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.view', Object(Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent))
#29 /var/www/yaffs-drupal-8/vendor/symfony/http-kernel/HttpKernel.php(64): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#30 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#31 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#32 /var/www/yaffs-drupal-8/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(207): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#33 /var/www/yaffs-drupal-8/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(121): Drupal\page_cache\StackMiddleware\PageCache->fetch(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#34 /var/www/yaffs-drupal-8/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(75): Drupal\page_cache\StackMiddleware\PageCache->lookup(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#35 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#36 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#37 /var/www/yaffs-drupal-8/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#38 /var/www/yaffs-drupal-8/web/core/lib/Drupal/Core/DrupalKernel.php(656): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#39 /var/www/yaffs-drupal-8/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#40 {main}";}