Undefined array key triggered via Autosave Form module

The module is set up correctly and the checkbox appears after the file is uploaded.

The following error is thrown on the Create node page.

Error message
Warning: Undefined array key 0 in file_view_access_field_widget_form_process() (line 65 of modules/contrib/file_view_access/file_view_access.module).
file_view_access_field_widget_form_process(Array, Object, Array)
call_user_func_array('file_view_access_field_widget_form_process', Array) (Line: 1018)
Drupal\Core\Form\FormBuilder->doBuildForm('node_message_form', Array, Object) (Line: 1081)
Drupal\Core\Form\FormBuilder->doBuildForm('node_message_form', Array, Object) (Line: 1081)
Drupal\Core\Form\FormBuilder->doBuildForm('node_message_form', Array, Object) (Line: 1081)
Drupal\Core\Form\FormBuilder->doBuildForm('node_message_form', Array, Object) (Line: 579)
Drupal\Core\Form\FormBuilder->processForm('node_message_form', Array, Object) (Line: 326)
Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
Drupal\Core\Controller\FormController->getContentResult(Object, Object) (Line: 39)
Drupal\layout_builder\Controller\LayoutBuilderHtmlEntityFormController->getContentResult(Object, Object)
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 638)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 121)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 181)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 53)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
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: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 741)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)

*edit note: this has nothing to do a autosave

Hi,
I have resolved the 'Undefined array key' issue and attached the patch.
Please review verify .
Thanks!

@all

I have try to reproduce Issue in Drupal Version 10.3.2. But i am unable to reproduce Issue. Is any can help me to do it?

I have mention step which i have do to reproduce it.

1. Installed `composer require 'drupal/file_view_access:^2.1'`
2. Using drush unable module
3. After that try to install autosave_form `composer require 'drupal/autosave_form:^1.7'`

This are the step I've tried. Please correct me if I am missing any steps.

Thank you!!

Able to successfully apply patch from !3.