Cannot set a list with a non-array value exception

The website encountered an unexpected error. Please try again later.

Drupal\Core\Entity\EntityStorageException: Cannot set a list with a non-array value. in Drupal\Core\Entity\Sql\SqlContentEntityStorage->save() (line 757 of core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php).
Drupal\Core\TypedData\TypedDataManager->create(Object, 'some@email.com')
Drupal\Core\Plugin\Context\Context->setContextValue('some@email.com')
Drupal\Core\Plugin\Context\Context->__construct(Object, 'some@email.com')
Drupal\Core\Plugin\Context\Context::createFromContext(Object, 'some@email.com')
Drupal\rules\Plugin\RulesExpression\RulesAction->mapContext(Object, Object)
Drupal\rules\Plugin\RulesExpression\RulesAction->executeWithState(Object)
Drupal\rules\Plugin\RulesExpression\ActionSet->executeWithState(Object)
Drupal\rules\Plugin\RulesExpression\Rule->executeWithState(Object)
Drupal\rules\EventSubscriber\GenericEventSubscriber->onRulesEvent(Object, 'rules_entity_insert:eform_submission', Object)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('rules_entity_insert:eform_submission', Object)
rules_entity_insert(Object)
call_user_func_array('rules_entity_insert', Array)
Drupal\Core\Extension\ModuleHandler->invokeAll('entity_insert', Array)
Drupal\Core\Entity\EntityStorageBase->invokeHook('insert', Object)
Drupal\Core\Entity\ContentEntityStorageBase->invokeHook('insert', Object)
Drupal\Core\Entity\EntityStorageBase->doPostSave(Object, )
Drupal\Core\Entity\ContentEntityStorageBase->doPostSave(Object, )
Drupal\Core\Entity\EntityStorageBase->save(Object)
Drupal\Core\Entity\Sql\SqlContentEntityStorage->save(Object)
Drupal\Core\Entity\Entity->save()
Drupal\Core\Entity\EntityForm->save(Array, Object)
Drupal\eform\Form\EFormSubmissionForm->save(Array, Object)
call_user_func_array(Array, Array)
Drupal\Core\Form\FormSubmitter->executeSubmitHandlers(Array, Object)
Drupal\Core\Form\FormSubmitter->doSubmitForm(Array, Object)
Drupal\Core\Form\FormBuilder->processForm('eform_submission_test_submit_form', Array, Object)
Drupal\Core\Form\FormBuilder->buildForm(Object, Object)
Drupal\Core\Entity\EntityFormBuilder->getForm(Object, 'submit')
Drupal\eform\Controller\EFormSubmissionController->submitPage(Object)
call_user_func_array(Array, Array)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
call_user_func_array(Object, Array)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1)
Stack\StackedHttpKernel->handle(Object, 1, 1)
Drupal\Core\DrupalKernel->handle(Object)