Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\harmonize\Service\Harmonize->prepare() (line 274 of modules/custom/harmonize/src/Service/Harmonize.php).
Drupal\harmonize\Service\Harmonize->prepare() (Line: 140)
Drupal\harmonize\Service\Harmonize->__construct()
ReflectionClass->newInstanceArgs() (Line: 1147)
Symfony\Component\DependencyInjection\ContainerBuilder->createService() (Line: 591)
Symfony\Component\DependencyInjection\ContainerBuilder->doGet() (Line: 536)
Symfony\Component\DependencyInjection\ContainerBuilder->get() (Line: 29)
Drupal\harmonize\Plugin\preprocessors\HarmonizePreprocessorBase::create() (Line: 21)
Drupal\Core\Plugin\Factory\ContainerFactory->createInstance() (Line: 83)
Drupal\Component\Plugin\PluginManagerBase->createInstance() (Line: 178)
Drupal\preprocessors\PluginManager\PreprocessorsPluginManager\PreprocessorsPluginManager->getPreprocessorsForActiveTheme() (Line: 140)
Drupal\preprocessors\Service\PreprocessorsManager->preprocessHook() (Line: 107)
Drupal\preprocessors\Service\PreprocessorsManager->preprocess() (Line: 30)
preprocessors_preprocess()
call_user_func_array() (Line: 261)
Drupal\Core\Theme\ThemeManager->render() (Line: 490)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 153)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 152)
Drupal\Core\Render\Renderer->renderRoot() (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage() (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage() (Line: 1085)
install_display_output() (Line: 160)
install_drupal() (Line: 53)