a:6:{s:5:"%type";s:7:"Warning";s:8:"@message";O:25:"Drupal\Core\Render\Markup":1:{s:9:"*string";s:39:"Invalid argument supplied for foreach()";}s:9:"%function";s:56:"Drupal\views\Plugin\views\style\Table->sanitizeColumns()";s:5:"%file";s:70:"/var/www/yaffs/web/core/modules/views/src/Plugin/views/style/Table.php";s:5:"%line";i:179;s:17:"@backtrace_string";s:5293:"#0 /var/www/yaffs/web/core/includes/bootstrap.inc(552): _drupal_error_handler_real(2, 'Invalid argumen...', '/var/www/yaffs/...', 179, Array)
#1 /var/www/yaffs/web/core/modules/views/src/Plugin/views/style/Table.php(179): _drupal_error_handler(2, 'Invalid argumen...', '/var/www/yaffs/...', 179, Array)
#2 /var/www/yaffs/web/core/modules/views/src/Plugin/views/style/Table.php(261): Drupal\views\Plugin\views\style\Table->sanitizeColumns('2')
#3 /var/www/yaffs/web/core/modules/views/src/Plugin/views/display/DisplayPluginBase.php(1663): Drupal\views\Plugin\views\style\Table->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#4 /var/www/yaffs/web/core/modules/views/src/Plugin/views/display/Block.php(178): Drupal\views\Plugin\views\display\DisplayPluginBase->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#5 /var/www/yaffs/web/core/modules/views_ui/src/Form/Ajax/Display.php(72): Drupal\views\Plugin\views\display\Block->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#6 [internal function]: Drupal\views_ui\Form\Ajax\Display->buildForm(Array, Object(Drupal\Core\Form\FormState))
#7 /var/www/yaffs/web/core/lib/Drupal/Core/Form/FormBuilder.php(514): call_user_func_array(Array, Array)
#8 /var/www/yaffs/web/core/lib/Drupal/Core/Form/FormBuilder.php(271): Drupal\Core\Form\FormBuilder->retrieveForm('views_ui_edit_d...', Object(Drupal\Core\Form\FormState))
#9 /var/www/yaffs/web/core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php(212): Drupal\Core\Form\FormBuilder->buildForm('views_ui_edit_d...', Object(Drupal\Core\Form\FormState))
#10 /var/www/yaffs/web/core/lib/Drupal/Core/Render/Renderer.php(574): Drupal\views_ui\Form\Ajax\ViewsFormBase->Drupal\views_ui\Form\Ajax\{closure}()
#11 /var/www/yaffs/web/core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php(214): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#12 /var/www/yaffs/web/core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php(123): Drupal\views_ui\Form\Ajax\ViewsFormBase->ajaxFormWrapper('Drupal\\views_ui...', Object(Drupal\Core\Form\FormState))
#13 /var/www/yaffs/web/core/modules/views_ui/src/Form/Ajax/Display.php(44): Drupal\views_ui\Form\Ajax\ViewsFormBase->getForm(Object(Drupal\views_ui\ViewUI), 'block_1', 'ajax')
#14 [internal function]: Drupal\views_ui\Form\Ajax\Display->getForm(Object(Drupal\views_ui\ViewUI), 'block_1', 'ajax', 'style_options')
#15 /var/www/yaffs/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array)
#16 /var/www/yaffs/web/core/lib/Drupal/Core/Render/Renderer.php(574): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#17 /var/www/yaffs/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#18 /var/www/yaffs/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)
#19 [internal function]: Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#20 /var/www/yaffs/vendor/symfony/http-kernel/HttpKernel.php(144): call_user_func_array(Object(Closure), Array)
#21 /var/www/yaffs/vendor/symfony/http-kernel/HttpKernel.php(64): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#22 /var/www/yaffs/web/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#23 /var/www/yaffs/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#24 /var/www/yaffs/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#25 /var/www/yaffs/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#26 /var/www/yaffs/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#27 /var/www/yaffs/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#28 /var/www/yaffs/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#29 /var/www/yaffs/web/core/lib/Drupal/Core/DrupalKernel.php(656): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#30 /var/www/yaffs/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#31 {main}";}