Drupal

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Drupal\Component\Plugin\Exception\PluginNotFoundException: Unable to determine class for field type 'webform' found in the 'field.field.node.webform_demo_event.webform' configuration in Drupal\Core\Field\FieldConfigStorageBase->mapFromStorageRecords() (line 31 of core/lib/Drupal/Core/Field/FieldConfigStorageBase.php).
Drupal\Core\Field\FieldConfigStorageBase->mapFromStorageRecords() (Line: 186)
Drupal\Core\Config\Entity\ConfigEntityStorage->doLoadMultiple() (Line: 312)
Drupal\Core\Entity\EntityStorageBase->loadMultiple() (Line: 513)
Drupal\Core\Entity\EntityBase::loadMultiple() (Line: 205)
field_entity_bundle_field_info() (Line: 415)
Drupal\Core\Entity\EntityFieldManager->Drupal\Core\Entity\{closure}() (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 412)
Drupal\Core\Entity\EntityFieldManager->buildBundleFieldDefinitions() (Line: 353)
Drupal\Core\Entity\EntityFieldManager->getFieldDefinitions() (Line: 49)
views_entity_form_field_views_data_alter() (Line: 552)
Drupal\Core\Extension\ModuleHandler->alter() (Line: 237)
Drupal\views\ViewsData->getData() (Line: 151)
Drupal\views\ViewsData->get() (Line: 93)
Drupal\ds\Plugin\Derivative\DsEntityRow->getDerivativeDefinitions() (Line: 101)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDerivatives() (Line: 87)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDefinitions() (Line: 337)
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions() (Line: 213)
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions() (Line: 153)
views_theme() (Line: 507)
Drupal\Core\Theme\Registry->processExtension() (Line: 400)
Drupal\Core\Theme\Registry->Drupal\Core\Theme\{closure}() (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 399)
Drupal\Core\Theme\Registry->build() (Line: 281)
Drupal\Core\Theme\Registry->get() (Line: 88)
Drupal\Core\Utility\ThemeRegistry->initializeRegistry() (Line: 69)
Drupal\Core\Utility\ThemeRegistry->__construct() (Line: 319)
Drupal\Core\Theme\Registry->getRuntime() (Line: 141)
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)