Deprecated function: Using null as an array offset is deprecated, use an empty string instead in Drupal\language\LanguageNegotiator->negotiateLanguage() (line 201 of core/modules/language/src/LanguageNegotiator.php).
Drupal\language\LanguageNegotiator->negotiateLanguage() (Line: 137)
Drupal\language\LanguageNegotiator->initializeType() (Line: 218)
Drupal\language\ConfigurableLanguageManager->getCurrentLanguage() (Line: 92)
Drupal\language\EventSubscriber\LanguageRequestSubscriber->setLanguageOverrides() (Line: 74)
Drupal\language\EventSubscriber\LanguageRequestSubscriber->onKernelRequestLanguage()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 157)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 50)
Drupal\ban\BanMiddleware->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)