I try to import CSV files into a Drupal 8 installation but I can’t manage to make the relationship to paragraphs appear. I followed the steps of this tutorial but can’t figure out how to make it work. I created a simple test case to find the error:
I extended the regular article content type with a paragraphs field called field_persons for linking each article to a list of persons with roles. This paragraphs entity has to fields called field_name (for now only text) and field_role (taxonomy_term).
The yaml file for paragraphs migration looks like that and import processes without error:
id: article_persons label: Import persons for articles source: plugin: csv delimiter: '|' enclosure: '"' path: article_persons.csv header_row_count: 1 keys: - id column_names: 0: id: 'ID' 1: name: 'Name' 2: rol: 'Role' process: field_nombre: name field_para_rol: plugin: entity_generate source: role value_key: name bundle_key: vid bundle: rol entity_type: taxonomy_term ignore_case: true destination: plugin: 'entity_reference_revisions:paragraph' default_bundle: article_persons The yaml file for article migration looks like that and import processes without error:
id: article label: Import articles source: plugin: csv delimiter: '|' enclosure: '"' path: articles.csv header_row_count: 1 keys: - id column_names: 0: id: 'ID' 1: title: 'Title' 2: person: 'Persons' process: title: title type: plugin: default_value default_value: article field_person/target_id: - plugin: migration_lookup migration: article_persons no_stub: true source: id - plugin: extract index: - '0' field_person/target_revision_id: - plugin: migration_lookup migration: article_persons no_stub: true source: id - plugin: extract index: - 1 destination: plugin: 'entity:node' migration_dependencies: required: - article_persons optional: { } But when I try to access the node I get an “unexpected error” with a huge log message:
Error: Call to a member function getEnabledBehaviorPlugins() on null en DrupalparagraphsParagraphViewBuilder->buildMultiple() (línea 37 de /var/www/html/sites/all/modules/paragraphs/src/ParagraphViewBuilder.php) #0 /var/www/html/core/lib/Drupal/Core/Entity/EntityViewBuilder.php(220): DrupalparagraphsParagraphViewBuilder->buildMultiple(Array) #1 [internal function]: DrupalCoreEntityEntityViewBuilder->build(Array) #2 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(378): call_user_func(Array, Array) #3 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(195): DrupalCoreRenderRenderer->doRender(Array, false) #4 /var/www/html/core/lib/Drupal/Core/Template/TwigExtension.php(490): DrupalCoreRenderRenderer->render(Array) #5 /var/www/html/sites/default/files/php/twig/5a008e9488529_field.html.twig_9MJB5waMfG4Lcal_NDL6EY6rM/NRByUw7bYmwhNIE9WTZfCRjJ3XUAFBB122RdQTC3JsI.php(128): DrupalCoreTemplateTwigExtension->escapeFilter(Object(DrupalCoreTemplateTwigEnvironment), Array, 'html', NULL, true) #6 /var/www/html/vendor/twig/twig/lib/Twig/Template.php(432): __TwigTemplate_85d8aba47ed6496a0f2e8e6407c9fc1802c03e707a72d9d0c1465c62e125a308->doDisplay(Array, Array) #7 /var/www/html/vendor/twig/twig/lib/Twig/Template.php(403): Twig_Template->displayWithErrorHandling(Array, Array) #8 /var/www/html/vendor/twig/twig/lib/Twig/Template.php(411): Twig_Template->display(Array) #9 /var/www/html/core/themes/engines/twig/twig.engine(64): Twig_Template->render(Array) #10 /var/www/html/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('sites/all/theme...', Array) #11 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(437): DrupalCoreThemeThemeManager->render('field', Array) #12 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(450): DrupalCoreRenderRenderer->doRender(Array) #13 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(195): DrupalCoreRenderRenderer->doRender(Array, false) #14 /var/www/html/core/lib/Drupal/Core/Template/TwigExtension.php(490): DrupalCoreRenderRenderer->render(Array) #15 /var/www/html/sites/default/files/php/twig/5a008e9488529_node.html.twig_fOU7Z1faeO15YpZRrtd-F9Ksv/yHD4dpGBMlI8SMMqQ5z-QVQGNcCrpCuzsSt1E4ShcEU.php(111): DrupalCoreTemplateTwigExtension->escapeFilter(Object(DrupalCoreTemplateTwigEnvironment), Array, 'html', NULL, true) #16 /var/www/html/vendor/twig/twig/lib/Twig/Template.php(432): __TwigTemplate_38fa5b6b1f6bdfd56bb4dba5e7d13d0f61126e79c913612089235f94cf12db1f->doDisplay(Array, Array) #17 /var/www/html/vendor/twig/twig/lib/Twig/Template.php(403): Twig_Template->displayWithErrorHandling(Array, Array) #18 /var/www/html/vendor/twig/twig/lib/Twig/Template.php(411): Twig_Template->display(Array) #19 /var/www/html/core/themes/engines/twig/twig.engine(64): Twig_Template->render(Array) #20 /var/www/html/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('sites/all/theme...', Array) #21 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(437): DrupalCoreThemeThemeManager->render('node', Array) #22 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(195): DrupalCoreRenderRenderer->doRender(Array, false) #23 /var/www/html/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(226): DrupalCoreRenderRenderer->render(Array, false) #24 /var/www/html/core/lib/Drupal/Core/Render/Renderer.php(576): DrupalCoreRenderMainContentHtmlRenderer->DrupalCoreRenderMainContent{closure}() #25 /var/www/html/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(227): DrupalCoreRenderRenderer->executeInRenderContext(Object(DrupalCoreRenderRenderContext), Object(Closure)) #26 /var/www/html/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(117): DrupalCoreRenderMainContentHtmlRenderer->prepare(Array, Object(SymfonyComponentHttpFoundationRequest), Object(DrupalCoreRoutingCurrentRouteMatch)) #27 /var/www/html/core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php(90): DrupalCoreRenderMainContentHtmlRenderer->renderResponse(Array, Object(SymfonyComponentHttpFoundationRequest), Object(DrupalCoreRoutingCurrentRouteMatch)) #28 /var/www/html/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(108): DrupalCoreEventSubscriberMainContentViewSubscriber->onViewRenderArray(Object(SymfonyComponentHttpKernelEventGetResponseForControllerResultEvent), 'kernel.view', Object(DrupalComponentEventDispatcherContainerAwareEventDispatcher)) #29 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(158): DrupalComponentEventDispatcherContainerAwareEventDispatcher->dispatch('kernel.view', Object(SymfonyComponentHttpKernelEventGetResponseForControllerResultEvent)) #30 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(68): SymfonyComponentHttpKernelHttpKernel->handleRaw(Object(SymfonyComponentHttpFoundationRequest), 1) #31 /var/www/html/core/lib/Drupal/Core/StackMiddleware/Session.php(57): SymfonyComponentHttpKernelHttpKernel->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #32 /var/www/html/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): DrupalCoreStackMiddlewareSession->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #33 /var/www/html/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): DrupalCoreStackMiddlewareKernelPreHandle->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #34 /var/www/html/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupalpage_cacheStackMiddlewarePageCache->pass(Object(SymfonyComponentHttpFoundationRequest), 1, true) #35 /var/www/html/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupalpage_cacheStackMiddlewarePageCache->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #36 /var/www/html/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): DrupalCoreStackMiddlewareReverseProxyMiddleware->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #37 /var/www/html/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): DrupalCoreStackMiddlewareNegotiationMiddleware->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #38 /var/www/html/core/lib/Drupal/Core/DrupalKernel.php(657): StackStackedHttpKernel->handle(Object(SymfonyComponentHttpFoundationRequest), 1, true) #39 /var/www/html/index.php(19): DrupalCoreDrupalKernel->handle(Object(SymfonyComponentHttpFoundationRequest)) #40 {main}. This bug report seems to indicate that the paragraphs which is referenced doesn’t exist. So it seems to have to do something with the ids, but I can’t figure out what.
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