Compatibility with paragraphs and similar
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #2978409. -->
Reported by: [jmuzz](https://www.drupal.org/user/2607886)
>>>
<p>There are modules, paragraphs included, which allow a multiple value field to display with only an "Add Item" button, as in, without a default or a blank item to begin with. This causes errors on the node edit page for any nodes using such a field:</p>
<pre>The website encountered an unexpected error. Please try again later.</br></br><em class="placeholder">Drupal\Component\Plugin\Exception\PluginNotFoundException</em>: The "" entity type does not exist. in <em class="placeholder">Drupal\Core\Entity\EntityTypeManager->getDefinition()</em> (line <em class="placeholder">133</em> of <em class="placeholder">core/lib/Drupal/Core/Entity/EntityTypeManager.php</em>). <pre class="backtrace">Drupal\Core\Entity\EntityFieldManager->buildBaseFieldDefinitions(NULL) (Line: 171)<br>Drupal\Core\Entity\EntityFieldManager->getBaseFieldDefinitions(NULL) (Line: 321)<br>Drupal\Core\Entity\EntityFieldManager->getFieldDefinitions(NULL, NULL) (Line: 195)<br>Drupal\Core\Entity\EntityManager->getFieldDefinitions(NULL, NULL) (Line: 142)<br>field_config_cardinality_preprocess_field_multiple_value_form(Array, 'field_multiple_value_form', Array) (Line: 287)<br>Drupal\Core\Theme\ThemeManager->render('field_multiple_value_form', Array) (Line: 437)<br>Drupal\Core\Render\Renderer->doRender(Array) (Line: 450)<br>Drupal\Core\Render\Renderer->doRender(Array) (Line: 450)<br>Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)<br>Drupal\Core\Render\Renderer->render(Array) (Line: 490)<br>Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 47)<br>__TwigTemplate_bd2e9fb546babd2fc90475216fa09b863e6ca963e76dfd8edbab66ec1cb7fcb3->doDisplay(Array, Array) (Line: 432)<br>Twig_Template->displayWithErrorHandling(Array, Array) (Line: 403)<br>Twig_Template->display(Array) (Line: 411)<br>Twig_Template->render(Array) (Line: 64)<br>twig_render_template('core/themes/seven/templates/node-edit-form.html.twig', Array) (Line: 384)<br>Drupal\Core\Theme\ThemeManager->render('node_edit_form', Array) (Line: 437)<br>Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)<br>Drupal\Core\Render\Renderer->render(Array, ) (Line: 226)<br>Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 582)<br>Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 227)<br>Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 117)<br>Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)<br>Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)<br>call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)<br>Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.view', Object) (Line: 156)<br>Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)<br>Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)<br>Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)<br>Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 47)<br>Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 50)<br>Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)<br>Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 664)<br>Drupal\Core\DrupalKernel->handle(Object) (Line: 21)<br></pre></pre><p>And also some error messages in on the next page load:</p>
<pre>Notice: Undefined offset: 0 in field_config_cardinality_preprocess_field_multiple_value_form() (line 142 of modules/contrib/field_config_cardinality/field_config_cardinality.module).<br><br>field_config_cardinality_preprocess_field_multiple_value_form(Array, 'field_multiple_value_form', Array) (Line: 287)<br>Drupal\Core\Theme\ThemeManager->render('field_multiple_value_form', Array) (Line: 437)<br>Drupal\Core\Render\Renderer->doRender(Array) (Line: 450)<br>Drupal\Core\Render\Renderer->doRender(Array) (Line: 450)<br>Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)<br>Drupal\Core\Render\Renderer->render(Array) (Line: 490)<br>Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 47)<br>__TwigTemplate_bd2e9fb546babd2fc90475216fa09b863e6ca963e76dfd8edbab66ec1cb7fcb3->doDisplay(Array, Array) (Line: 432)<br>Twig_Template->displayWithErrorHandling(Array, Array) (Line: 403)<br>Twig_Template->display(Array) (Line: 411)<br>Twig_Template->render(Array) (Line: 64)<br>twig_render_template('core/themes/seven/templates/node-edit-form.html.twig', Array) (Line: 384)<br>Drupal\Core\Theme\ThemeManager->render('node_edit_form', Array) (Line: 437)<br>Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 195)<br>Drupal\Core\Render\Renderer->render(Array, ) (Line: 226)<br>Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 582)<br>Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 227)<br>Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 117)<br>Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)<br>Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)<br>call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)<br>Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.view', Object) (Line: 156)<br>Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)<br>Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)<br>Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)<br>Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 47)<br>Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 50)<br>Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)<br>Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 664)<br>Drupal\Core\DrupalKernel->handle(Object) (Line: 21)</pre><p>Not sure what the best answer is. For now I have a patch that skips paragraph fields, but if you want this module to work with paragraph fields something else will need to be done.</p>
issue
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Project: project/field_config_cardinality
Instance: https://git.drupalcode.org
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