a:6:{s:5:"%type";s:7:"Warning";s:8:"@message";O:25:"Drupal\\Core\\Render\\Markup":1:{s:9:"\000*\000string";s:59:"foreach() argument must be of type array|object, null given";}s:9:"%function";s:68:"Drupal\\access_unpublished\\Form\\SettingsForm->prepareHeadersDisplay()";s:5:"%file";s:77:"/var/www/docroot/modules/contrib/access_unpublished/src/Form/SettingsForm.php";s:5:"%line";i:125;s:17:"@backtrace_string";s:4578:"#0 /var/www/docroot/core/includes/bootstrap.inc(166): _drupal_error_handler_real(2, 'foreach() argum...', '/var/www/docroo...', 125)\012#1 /var/www/docroot/modules/contrib/access_unpublished/src/Form/SettingsForm.php(125): _drupal_error_handler(2, 'foreach() argum...', '/var/www/docroo...', 125)\012#2 /var/www/docroot/modules/contrib/access_unpublished/src/Form/SettingsForm.php(77): Drupal\\access_unpublished\\Form\\SettingsForm->prepareHeadersDisplay()\012#3 [internal function]: Drupal\\access_unpublished\\Form\\SettingsForm->buildForm(Array, Object(Drupal\\Core\\Form\\FormState))\012#4 /var/www/docroot/core/lib/Drupal/Core/Form/FormBuilder.php(536): call_user_func_array(Array, Array)\012#5 /var/www/docroot/core/lib/Drupal/Core/Form/FormBuilder.php(284): Drupal\\Core\\Form\\FormBuilder->retrieveForm('settings_form', Object(Drupal\\Core\\Form\\FormState))\012#6 /var/www/docroot/core/lib/Drupal/Core/Controller/FormController.php(73): Drupal\\Core\\Form\\FormBuilder->buildForm(Object(Drupal\\access_unpublished\\Form\\SettingsForm), Object(Drupal\\Core\\Form\\FormState))\012#7 [internal function]: Drupal\\Core\\Controller\\FormController->getContentResult(Object(Symfony\\Component\\HttpFoundation\\Request), Object(Drupal\\Core\\Routing\\RouteMatch))\012#8 /var/www/docroot/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array)\012#9 /var/www/docroot/core/lib/Drupal/Core/Render/Renderer.php(638): Drupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber->Drupal\\Core\\EventSubscriber\\{closure}()\012#10 /var/www/docroot/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(121): Drupal\\Core\\Render\\Renderer->executeInRenderContext(Object(Drupal\\Core\\Render\\RenderContext), Object(Closure))\012#11 /var/www/docroot/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)\012#12 /var/www/vendor/symfony/http-kernel/HttpKernel.php(181): Drupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber->Drupal\\Core\\EventSubscriber\\{closure}()\012#13 /var/www/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\\Component\\HttpKernel\\HttpKernel->handleRaw(Object(Symfony\\Component\\HttpFoundation\\Request), 1)\012#14 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/Session.php(53): Symfony\\Component\\HttpKernel\\HttpKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#15 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\\Core\\StackMiddleware\\Session->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#16 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/ContentLength.php(28): Drupal\\Core\\StackMiddleware\\KernelPreHandle->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#17 /var/www/docroot/core/modules/big_pipe/src/StackMiddleware/ContentLength.php(32): Drupal\\Core\\StackMiddleware\\ContentLength->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#18 /var/www/docroot/core/modules/page_cache/src/StackMiddleware/PageCache.php(116): Drupal\\big_pipe\\StackMiddleware\\ContentLength->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#19 /var/www/docroot/core/modules/page_cache/src/StackMiddleware/PageCache.php(90): Drupal\\page_cache\\StackMiddleware\\PageCache->pass(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#20 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\\page_cache\\StackMiddleware\\PageCache->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#21 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\\Core\\StackMiddleware\\ReverseProxyMiddleware->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#22 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\\Core\\StackMiddleware\\NegotiationMiddleware->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#23 /var/www/docroot/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\\Core\\StackMiddleware\\AjaxPageState->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#24 /var/www/docroot/core/lib/Drupal/Core/DrupalKernel.php(741): Drupal\\Core\\StackMiddleware\\StackedHttpKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\012#25 /var/www/docroot/index.php(19): Drupal\\Core\\DrupalKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request))\012#26 {main}";}