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Drupal\search_api\SearchApiException: The backend with ID 'search_api_db' could not be retrieved for server 'Paragraphs demo server'. in Drupal\search_api\Entity\Server->getBackend() (line 225 of modules/contrib/search_api/src/Entity/Server.php).
Drupal\search_api\Entity\Server->getBackend() (Line: 106)
acquia_search_search_api_index_load() (Line: 401)
Drupal\Core\Entity\EntityStorageBase->Drupal\Core\Entity\{closure}() (Line: 357)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 68)
Drupal\hook_event_dispatcher\HookEventDispatcherModuleHandler->invokeAllWith() (Line: 400)
Drupal\Core\Entity\EntityStorageBase->postLoad() (Line: 320)
Drupal\Core\Entity\EntityStorageBase->loadMultiple() (Line: 74)
Drupal\search_api_solr\Plugin\DataType\Deriver\SolrDocumentDeriver->getDerivativeDefinitions() (Line: 101)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDerivatives() (Line: 87)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDefinitions() (Line: 340)
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions() (Line: 216)
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions() (Line: 25)
Drupal\Core\Plugin\DefaultPluginManager->getDefinition() (Line: 195)
Drupal\Core\TypedData\DataDefinition->getClass() (Line: 607)
Drupal\Core\Field\BaseFieldDefinition->getMainPropertyName() (Line: 463)
Drupal\Core\Field\BaseFieldDefinition->setDefaultValue() (Line: 267)
Drupal\file\Entity\File::baseFieldDefinitions() (Line: 235)
Drupal\Core\Entity\EntityFieldManager->buildBaseFieldDefinitions() (Line: 197)
Drupal\Core\Entity\EntityFieldManager->getBaseFieldDefinitions() (Line: 459)
Drupal\Core\Entity\EntityFieldManager->getFieldStorageDefinitions() (Line: 495)
Drupal\Core\Entity\EntityFieldManager->getActiveFieldStorageDefinitions() (Line: 187)
Drupal\Core\Entity\Sql\SqlContentEntityStorage->__construct() (Line: 149)
Drupal\Core\Entity\Sql\SqlContentEntityStorage::createInstance() (Line: 277)
Drupal\Core\Entity\EntityTypeManager->createHandlerInstance() (Line: 266)
Drupal\Core\Entity\EntityTypeManager->getHandler() (Line: 192)
Drupal\Core\Entity\EntityTypeManager->getStorage() (Line: 38)
Drupal\helper\File->__construct()
ReflectionClass->newInstanceArgs() (Line: 1203)
Symfony\Component\DependencyInjection\ContainerBuilder->createService() (Line: 638)
Symfony\Component\DependencyInjection\ContainerBuilder->doGet() (Line: 1321)
Symfony\Component\DependencyInjection\ContainerBuilder->doResolveServices() (Line: 1273)
Symfony\Component\DependencyInjection\ContainerBuilder->doResolveServices() (Line: 1173)
Symfony\Component\DependencyInjection\ContainerBuilder->createService() (Line: 638)
Symfony\Component\DependencyInjection\ContainerBuilder->doGet() (Line: 1321)
Symfony\Component\DependencyInjection\ContainerBuilder->doResolveServices() (Line: 1273)
Symfony\Component\DependencyInjection\ContainerBuilder->doResolveServices() (Line: 1786)
Symfony\Component\DependencyInjection\ContainerBuilder->callMethod() (Line: 1229)
Symfony\Component\DependencyInjection\ContainerBuilder->createService() (Line: 638)
Symfony\Component\DependencyInjection\ContainerBuilder->doGet() (Line: 583)
Symfony\Component\DependencyInjection\ContainerBuilder->get() (Line: 207)
Drupal::service() (Line: 32)
twig_render_template() (Line: 380)
Drupal\Core\Theme\ThemeManager->render() (Line: 497)
Drupal\Core\Render\Renderer->doRender() (Line: 250)
Drupal\Core\Render\Renderer->doRenderRoot() (Line: 141)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 627)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 140)
Drupal\Core\Render\Renderer->renderInIsolation() (Line: 111)
Drupal\Core\Render\Renderer->renderRoot() (Line: 68)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage() (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage() (Line: 1068)
install_display_output() (Line: 161)
install_drupal() (Line: 53)