I have a text field setup to use the machine_name widget in the form view mode.
When ever I save the entity (paragraphs in this case) I get 1 notice and 1 warning, everything still works though.. But it's annoying to see this messages or to see the wachtdog table get flooded with them...
Notice: Undefined index: exists in Drupal\Core\Render\Element\MachineName::validateMachineName() (line 251 of /my-website/http/core/lib/Drupal/Core/Render/Element/MachineName.php) #0 /my-website/http/core/includes/bootstrap.inc(566): _drupal_error_handler_real(8, 'Undefined index...', '/WWW/d8.claerho...', 251, Array) #1 /my-website/http/core/lib/Drupal/Core/Render/Element/MachineName.php(251): _drupal_error_handler(8, 'Undefined index...', '/WWW/d8.claerho...', 251, Array) #2 [internal function]: Drupal\Core\Render\Element\MachineName::validateMachineName(Array, Object(Drupal\Core\Form\FormState), Array) #3 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(281): call_user_func_array(Array, Array) #4 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #5 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #6 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #7 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #8 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #9 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #10 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #11 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #12 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(119): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState), 'node_page_edit_...') #13 /my-website/http/core/lib/Drupal/Core/Form/FormBuilder.php(571): Drupal\Core\Form\FormValidator->validateForm('node_page_edit_...', Array, Object(Drupal\Core\Form\FormState)) #14 /my-website/http/core/lib/Drupal/Core/Form/FormBuilder.php(314): Drupal\Core\Form\FormBuilder->processForm('node_page_edit_...', Array, Object(Drupal\Core\Form\FormState)) #15 /my-website/http/core/lib/Drupal/Core/Controller/FormController.php(74): Drupal\Core\Form\FormBuilder->buildForm(Object(Drupal\node\NodeForm), Object(Drupal\Core\Form\FormState)) #16 [internal function]: Drupal\Core\Controller\FormController->getContentResult(Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\RouteMatch)) #17 /my-website/http/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array) #18 /my-website/http/core/lib/Drupal/Core/Render/Renderer.php(576): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #19 /my-website/http/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure)) #20 /my-website/http/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) #21 [internal function]: Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #22 /my-website/vendor/symfony/http-kernel/HttpKernel.php(153): call_user_func_array(Object(Closure), Array) #23 /my-website/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #24 /my-website/http/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #25 /my-website/http/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #26 /my-website/http/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #27 /my-website/http/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true) #28 /my-website/http/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #29 /my-website/http/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #30 /my-website/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #31 /my-website/http/core/lib/Drupal/Core/DrupalKernel.php(657): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #32 /my-website/http/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #33 {main}.
Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in Drupal\Core\Render\Element\MachineName::validateMachineName() (line 252 of /my-website/http/core/lib/Drupal/Core/Render/Element/MachineName.php) #0 /my-website/http/core/includes/bootstrap.inc(566): _drupal_error_handler_real(2, 'call_user_func(...', '/WWW/d8.claerho...', 252, Array) #1 [internal function]: _drupal_error_handler(2, 'call_user_func(...', '/WWW/d8.claerho...', 252, Array) #2 /my-website/http/core/lib/Drupal/Core/Render/Element/MachineName.php(252): call_user_func(NULL, 'teswsa zarv', Array, Object(Drupal\Core\Form\FormState)) #3 [internal function]: Drupal\Core\Render\Element\MachineName::validateMachineName(Array, Object(Drupal\Core\Form\FormState), Array) #4 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(281): call_user_func_array(Array, Array) #5 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #6 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #7 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #8 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #9 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #10 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #11 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #12 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(239): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState)) #13 /my-website/http/core/lib/Drupal/Core/Form/FormValidator.php(119): Drupal\Core\Form\FormValidator->doValidateForm(Array, Object(Drupal\Core\Form\FormState), 'node_page_edit_...') #14 /my-website/http/core/lib/Drupal/Core/Form/FormBuilder.php(571): Drupal\Core\Form\FormValidator->validateForm('node_page_edit_...', Array, Object(Drupal\Core\Form\FormState)) #15 /my-website/http/core/lib/Drupal/Core/Form/FormBuilder.php(314): Drupal\Core\Form\FormBuilder->processForm('node_page_edit_...', Array, Object(Drupal\Core\Form\FormState)) #16 /my-website/http/core/lib/Drupal/Core/Controller/FormController.php(74): Drupal\Core\Form\FormBuilder->buildForm(Object(Drupal\node\NodeForm), Object(Drupal\Core\Form\FormState)) #17 [internal function]: Drupal\Core\Controller\FormController->getContentResult(Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\RouteMatch)) #18 /my-website/http/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array) #19 /my-website/http/core/lib/Drupal/Core/Render/Renderer.php(576): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #20 /my-website/http/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure)) #21 /my-website/http/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) #22 [internal function]: Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #23 /my-website/vendor/symfony/http-kernel/HttpKernel.php(153): call_user_func_array(Object(Closure), Array) #24 /my-website/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #25 /my-website/http/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #26 /my-website/http/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #27 /my-website/http/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #28 /my-website/http/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true) #29 /my-website/http/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #30 /my-website/http/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #31 /my-website/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #32 /my-website/http/core/lib/Drupal/Core/DrupalKernel.php(657): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #33 /my-website/http/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #34 {main}.
Closed: outdated
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