Error: Call to a member function uuid() on null in Drupal

by Manmeet Khurana   Last Updated May 16, 2018 13:07 PM

On Drupal 8.2.5 site I'm getting the following error that is showing up on saving the setting.

Error: Call to a member function uuid() on null in Drupal\Core\Field\EntityReferenceFieldItemList->defaultValuesFormSubmit() (line 126 of core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php).
Drupal\Core\Field\EntityReferenceFieldItemList->defaultValuesFormSubmit(Array, Array, Object) (Line: 169)
Drupal\field_ui\Form\FieldConfigEditForm->submitForm(Array, Object)
call_user_func_array(Array, Array) (Line: 111)
Drupal\Core\Form\FormSubmitter->executeSubmitHandlers(Array, Object) (Line: 51)
Drupal\Core\Form\FormSubmitter->doSubmitForm(Array, Object) (Line: 585)
Drupal\Core\Form\FormBuilder->processForm('field_config_edit_form', Array, Object) (Line: 314)
Drupal\Core\Form\FormBuilder->buildForm('field_config_edit_form', Object) (Line: 74)
Drupal\Core\Controller\FormController->getContentResult(Object, Object)
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 582)
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: 151)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
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: 99)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 78)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 50)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 664)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
The website encountered an unexpected error. Please try again later.


Related Questions


Drupal Commons, can't break-contact error

Updated April 15, 2018 20:07 PM



How to use kpr() or dsm() when i am not logged in

Updated September 28, 2017 08:07 AM