a:6:{s:5:"%type";s:19:"Deprecated function";s:8:"@message";O:25:"Drupal\Core\Render\Markup":1:{s:9:"*string";s:77:"substr(): Passing null to parameter #1 ($string) of type string is deprecated";}s:9:"%function";s:71:"Drupal\bootstrap_layout_builder\Entity\Breakpoint->getClassByPosition()";s:5:"%file";s:112:"/var/www/html/fencesforfido/fencesforfido/web/modules/contrib/bootstrap_layout_builder/src/Entity/Breakpoint.php";s:5:"%line";i:124;s:17:"@backtrace_string";s:4021:"#0 /var/www/html/fencesforfido/fencesforfido/web/core/includes/bootstrap.inc(164): _drupal_error_handler_real()
#1 [internal function]: _drupal_error_handler()
#2 /var/www/html/fencesforfido/fencesforfido/web/modules/contrib/bootstrap_layout_builder/src/Entity/Breakpoint.php(124): substr()
#3 /var/www/html/fencesforfido/fencesforfido/web/modules/contrib/bootstrap_layout_builder/src/Plugin/Layout/BootstrapLayout.php(595): Drupal\bootstrap_layout_builder\Entity\Breakpoint->getClassByPosition()
#4 /var/www/html/fencesforfido/fencesforfido/web/modules/contrib/bootstrap_layout_builder/src/Plugin/Layout/BootstrapLayout.php(669): Drupal\bootstrap_layout_builder\Plugin\Layout\BootstrapLayout->getRegionClasses()
#5 /var/www/html/fencesforfido/fencesforfido/web/core/modules/layout_builder/src/Form/ConfigureSectionForm.php(188): Drupal\bootstrap_layout_builder\Plugin\Layout\BootstrapLayout->submitConfigurationForm()
#6 /var/www/html/fencesforfido/fencesforfido/web/modules/contrib/bootstrap_layout_builder/src/Plugin/Layout/BootstrapLayout.php(564): Drupal\layout_builder\Form\ConfigureSectionForm->submitForm()
#7 [internal function]: Drupal\bootstrap_layout_builder\Plugin\Layout\BootstrapLayout->livePreviewCallback()
#8 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/Form/FormAjaxResponseBuilder.php(69): call_user_func_array()
#9 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/Form/EventSubscriber/FormAjaxSubscriber.php(112): Drupal\Core\Form\FormAjaxResponseBuilder->buildResponse()
#10 [internal function]: Drupal\Core\Form\EventSubscriber\FormAjaxSubscriber->onException()
#11 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(111): call_user_func()
#12 /var/www/html/fencesforfido/fencesforfido/vendor/symfony/http-kernel/HttpKernel.php(239): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch()
#13 /var/www/html/fencesforfido/fencesforfido/vendor/symfony/http-kernel/HttpKernel.php(91): Symfony\Component\HttpKernel\HttpKernel->handleThrowable()
#14 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle()
#15 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle()
#16 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/ContentLength.php(28): Drupal\Core\StackMiddleware\KernelPreHandle->handle()
#17 /var/www/html/fencesforfido/fencesforfido/web/core/modules/big_pipe/src/StackMiddleware/ContentLength.php(32): Drupal\Core\StackMiddleware\ContentLength->handle()
#18 /var/www/html/fencesforfido/fencesforfido/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\big_pipe\StackMiddleware\ContentLength->handle()
#19 /var/www/html/fencesforfido/fencesforfido/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass()
#20 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle()
#21 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle()
#22 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle()
#23 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\Core\StackMiddleware\AjaxPageState->handle()
#24 /var/www/html/fencesforfido/fencesforfido/web/core/lib/Drupal/Core/DrupalKernel.php(704): Drupal\Core\StackMiddleware\StackedHttpKernel->handle()
#25 /var/www/html/fencesforfido/fencesforfido/web/index.php(19): Drupal\Core\DrupalKernel->handle()
#26 {main}";}