Error message
Deprecated function: trim(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\Component\Utility\UserAgent::getBestMatchingLangcode() (line 50 of core/lib/Drupal/Component/Utility/UserAgent.php).
Drupal\Component\Utility\UserAgent::getBestMatchingLangcode() (Line: 186)
Drupal\irving_common\RegionalizationManager->getBrowserLangcode() (Line: 117)
Drupal\irving_common\RegionalizationManager->initializeRegion() (Line: 67)
Drupal\irving_common\RegionalizationManager->__construct() (Line: 262)
Drupal\Component\DependencyInjection\Container->createService() (Line: 173)
Drupal\Component\DependencyInjection\Container->get() (Line: 139)
Drupal\irving_common\Plugin\LanguageNegotiation\LanguageNegotiationIrving::create() (Line: 21)
Drupal\Core\Plugin\Factory\ContainerFactory->createInstance() (Line: 85)
Drupal\Component\Plugin\PluginManagerBase->createInstance() (Line: 225)
Drupal\language\LanguageNegotiator->getNegotiationMethodInstance() (Line: 197)
Drupal\language\LanguageNegotiator->negotiateLanguage() (Line: 137)
Drupal\language\LanguageNegotiator->initializeType() (Line: 229)
Drupal\language\ConfigurableLanguageManager->getCurrentLanguage() (Line: 92)
Drupal\language\EventSubscriber\LanguageRequestSubscriber->setLanguageOverrides() (Line: 74)
Drupal\language\EventSubscriber\LanguageRequestSubscriber->onKernelRequestLanguage() (Line: 246)
Symfony\Component\EventDispatcher\EventDispatcher::{closure:Symfony\Component\EventDispatcher\EventDispatcher::optimizeListeners():241}() (Line: 206)
Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 159)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 54)
Drupal\simple_oauth\HttpMiddleware\BasicAuthSwap->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 30)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 53)
Asm89\Stack\Cors->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 137)
Drupal\irving_rewards_api\IrvingRewardsAuthMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 71)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 54)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 753)
Drupal\Core\DrupalKernel->handle() (Line: 34)
Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() (Line: 32)
require() (Line: 22)
require_once() (Line: 13)
