Drupal\Component\Plugin\Exception\PluginException: Plugin "exposed_filters" (Drupal\viewsreference_filter\Plugin\ViewsReferenceSetting\ViewsReferenceExposedFilters) must implement interface Drupal\viewsreference\Plugin\ViewsReferenceSettingInterface. in D

Problem/Motivation

Getting this error when editing the field or editing the node on which the field exists.:

Drupal\Component\Plugin\Exception\PluginException: Plugin "exposed_filters" (Drupal\viewsreference_filter\Plugin\ViewsReferenceSetting\ViewsReferenceExposedFilters) must implement interface Drupal\viewsreference\Plugin\ViewsReferenceSettingInterface. in Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass() (line 101 of core/lib/Drupal/Component/Plugin/Factory/DefaultFactory.php).

Drupal\Core\Plugin\Factory\ContainerFactory->createInstance('exposed_filters', Array) (Line: 83)
Drupal\Component\Plugin\PluginManagerBase->createInstance('exposed_filters', Array) (Line: 151)
Drupal\viewsreference\Plugin\Field\FieldWidget\ViewsReferenceSelectWidget->fieldElement(Object, 0, Array, Array, Object) (Line: 30)
Drupal\viewsreference\Plugin\Field\FieldWidget\ViewsReferenceSelectWidget->formElement(Object, 0, Array, Array, Object) (Line: 353)
Drupal\Core\Field\WidgetBase->formSingleElement(Object, 0, Array, Array, Object) (Line: 220)
Drupal\Core\Field\WidgetBase->formMultipleElements(Object, Array, Object) (Line: 111)
Drupal\Core\Field\WidgetBase->form(Object, Array, Object) (Line: 181)
Drupal\Core\Entity\Entity\EntityFormDisplay->buildForm(Object, Array, Object) (Line: 121)
Drupal\Core\Entity\ContentEntityForm->form(Array, Object) (Line: 127)
Drupal\node\NodeForm->form(Array, Object) (Line: 106)
Drupal\Core\Entity\EntityForm->buildForm(Array, Object)
call_user_func_array(Array, Array) (Line: 532)
Drupal\Core\Form\FormBuilder->retrieveForm('node_index_ct_edit_form', Object) (Line: 278)
Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
Drupal\Core\Controller\FormController->getContentResult(Object, Object)
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 578)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 158)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 106)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 717)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)

Steps to reproduce

Getting this error when attempting to configure a Viewsreference field to use the exposed filter option. The target View has a single exposed filter which is of type Content Type. I deleted the exposed filter from view and still got the error.

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes