I can't upload file in the workflow transition

I can't upload file in the workflow transition

1. add file field to workflow
2. try to attach file
3. It didn't upload and got this php error

#0 /app/web/core/includes/bootstrap.inc(166): _drupal_error_handler_real(2, 'foreach() argum...', '/app/web/core/m...', 573)
#1 /app/web/core/modules/file/src/Plugin/Field/FieldWidget/FileWidget.php(573): _drupal_error_handler(2, 'foreach() argum...', '/app/web/core/m...', 573)
#2 [internal function]: Drupal\file\Plugin\Field\FieldWidget\FileWidget::submit(Array, Object(Drupal\Core\Form\FormState))
#3 /app/web/core/lib/Drupal/Core/Form/FormSubmitter.php(129): call_user_func_array(Array, Array)
#4 /app/web/core/lib/Drupal/Core/Form/FormSubmitter.php(67): Drupal\Core\Form\FormSubmitter->executeSubmitHandlers(Array, Object(Drupal\Core\Form\FormState))
#5 /app/web/core/lib/Drupal/Core/Form/FormBuilder.php(597): Drupal\Core\Form\FormSubmitter->doSubmitForm(Array, Object(Drupal\Core\Form\FormState))
#6 /app/web/core/lib/Drupal/Core/Form/FormBuilder.php(326): Drupal\Core\Form\FormBuilder->processForm('workflow_transi...', Array, Object(Drupal\Core\Form\FormState))
#7 /app/web/core/lib/Drupal/Core/Entity/EntityFormBuilder.php(48): Drupal\Core\Form\FormBuilder->buildForm(Object(Drupal\workflow\Form\WorkflowTransitionForm), Object(Drupal\Core\Form\FormState))
#8 /app/web/modules/contrib/workflow/src/Form/WorkflowTransitionForm.php(95): Drupal\Core\Entity\EntityFormBuilder->getForm(Object(Drupal\workflow\Entity\WorkflowTransition), 'add', Array)
#9 /app/web/modules/contrib/workflow/src/Plugin/Field/FieldFormatter/WorkflowDefaultFormatter.php(167): Drupal\workflow\Form\WorkflowTransitionForm::createInstance(Object(Drupal\node\Entity\Node), 'field_data_requ...', Array)
#10 /app/web/core/lib/Drupal/Core/Field/FormatterBase.php(91): Drupal\workflow\Plugin\Field\FieldFormatter\WorkflowDefaultFormatter->viewElements(Object(Drupal\Core\Field\FieldItemList), 'ar')
#11 /app/web/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php(268): Drupal\Core\Field\FormatterBase->view(Object(Drupal\Core\Field\FieldItemList), 'ar')
#12 /app/web/core/lib/Drupal/Core/Entity/EntityViewBuilder.php(340): Drupal\Core\Entity\Entity\EntityViewDisplay->buildMultiple(Array)
#13 /app/web/core/modules/node/src/NodeViewBuilder.php(24): Drupal\Core\Entity\EntityViewBuilder->buildComponents(Array, Array, Array, 'full')
#14 /app/web/core/lib/Drupal/Core/Entity/EntityViewBuilder.php(282): Drupal\node\NodeViewBuilder->buildComponents(Array, Array, Array, 'full')
#15 /app/web/core/lib/Drupal/Core/Entity/EntityViewBuilder.php(239): Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array)
#16 [internal function]: Drupal\Core\Entity\EntityViewBuilder->build(Array)
#17 /app/web/core/lib/Drupal/Core/Security/DoTrustedCallbackTrait.php(113): call_user_func_array(Array, Array)
#18 /app/web/core/lib/Drupal/Core/Render/Renderer.php(875): Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_ren...', 'exception', 'Drupal\\Core\\Ren...')
#19 /app/web/core/lib/Drupal/Core/Render/Renderer.php(432): Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array)
#20 /app/web/core/lib/Drupal/Core/Render/Renderer.php(248): Drupal\Core\Render\Renderer->doRender(Array, false)
#21 /app/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(238): Drupal\Core\Render\Renderer->render(Array, false)
#22 /app/web/core/lib/Drupal/Core/Render/Renderer.php(638): Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}()
#23 /app/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(231): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#24 /app/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(128): Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch))
#25 /app/web/core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php(90): Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch))
#26 [internal function]: Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object(Symfony\Component\HttpKernel\Event\ViewEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))
#27 /app/web/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(111): call_user_func(Array, Object(Symfony\Component\HttpKernel\Event\ViewEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))
#28 /app/vendor/symfony/http-kernel/HttpKernel.php(186): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object(Symfony\Component\HttpKernel\Event\ViewEvent), 'kernel.view')
#29 /app/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#30 /app/web/core/lib/Drupal/Core/StackMiddleware/Session.php(53): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#31 /app/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#32 /app/web/core/lib/Drupal/Core/StackMiddleware/ContentLength.php(28): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#33 /app/web/core/modules/big_pipe/src/StackMiddleware/ContentLength.php(32): Drupal\Core\StackMiddleware\ContentLength->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#34 /app/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(116): Drupal\big_pipe\StackMiddleware\ContentLength->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#35 /app/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(90): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#36 /app/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#37 /app/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#38 /app/web/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#39 /app/web/modules/contrib/remove_http_headers/src/StackMiddleware/RemoveHttpHeadersMiddleware.php(49): Drupal\Core\StackMiddleware\AjaxPageState->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#40 /app/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\remove_http_headers\StackMiddleware\RemoveHttpHeadersMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#41 /app/web/core/lib/Drupal/Core/DrupalKernel.php(741): Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#42 /app/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#43 {main}