Error message
Warning: Trying to access array offset on null in zyxel_webform_webform_submission_form_alter() (line 91 of modules/custom/zyxel_webform/zyxel_webform.module).zyxel_webform_webform_submission_form_alter() (Line: 552) Drupal\Core\Extension\ModuleHandler->alter() (Line: 78) Drupal\webform\WebformThirdPartySettingsManager->alter() (Line: 687) Drupal\webform\WebformSubmissionForm->buildForm() call_user_func_array() (Line: 540) Drupal\Core\Form\FormBuilder->retrieveForm() (Line: 288) Drupal\Core\Form\FormBuilder->buildForm() (Line: 48) Drupal\Core\Entity\EntityFormBuilder->getForm() (Line: 1250) Drupal\webform\Entity\Webform->getSubmissionForm() (Line: 112) Drupal\webform\Element\Webform::preRenderWebformElement() call_user_func_array() (Line: 113) Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886) Drupal\Core\Render\Renderer->doCallback() (Line: 431) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 484) Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 92) __TwigTemplate_371460fb1b24140d569fc61a959d9f7e->doDisplay() (Line: 388) Twig\Template->yield() (Line: 344) Twig\Template->display() (Line: 359) Twig\Template->render() (Line: 51) Twig\TemplateWrapper->render() (Line: 33) twig_render_template() (Line: 348) Drupal\Core\Theme\ThemeManager->render() (Line: 490) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 484) Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 117) __TwigTemplate_0549426f91570bebe4f90fdfd9ebc201->doDisplay() (Line: 388) Twig\Template->yield() (Line: 344) Twig\Template->display() (Line: 359) Twig\Template->render() (Line: 51) Twig\TemplateWrapper->render() (Line: 33) twig_render_template() (Line: 348) Drupal\Core\Theme\ThemeManager->render() (Line: 490) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 238) Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 231) Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 128) Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90) Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() call_user_func() (Line: 111) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186) 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: 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)