Hi, I have the same issue.
Here the error in the log
TypeError: Drupal\stripe_webform_payment\StripteWebformPaymentStripe::getAllCustomers(): Argument #1 ($customerAttributes) must be of type array, null given, called in /opt/drupal/web/modules/stripe_webform_payment/src/Plugin/WebformElement/StripeWebformPayment.php on line 416 in Drupal\stripe_webform_payment\StripteWebformPaymentStripe->getAllCustomers() (linea 158 di /opt/drupal/web/modules/stripe_webform_payment/src/StripteWebformPaymentStripe.php).
#0 /opt/drupal/web/modules/stripe_webform_payment/src/Plugin/WebformElement/StripeWebformPayment.php(416): Drupal\stripe_webform_payment\StripteWebformPaymentStripe->getAllCustomers(NULL)
#1 /opt/drupal/web/modules/stripe_webform_payment/src/Plugin/WebformElement/StripeWebformPayment.php(375): Drupal\stripe_webform_payment\Plugin\WebformElement\StripeWebformPayment->getCustomer(Array)
#2 /opt/drupal/web/modules/stripe_webform_payment/src/Plugin/WebformElement/StripeWebformPayment.php(228): Drupal\stripe_webform_payment\Plugin\WebformElement\StripeWebformPayment->createPaymentIntent(Array)
#3 /opt/drupal/web/modules/stripe_webform_payment/src/Plugin/WebformElement/StripeWebformPayment.php(201): Drupal\stripe_webform_payment\Plugin\WebformElement\StripeWebformPayment->updatePaymentForm(Array, Array, Object(Drupal\Core\Form\FormState))
#4 /opt/drupal/web/modules/stripe_webform_payment/src/Plugin/WebformElement/StripeWebformPayment.php(153): Drupal\stripe_webform_payment\Plugin\WebformElement\StripeWebformPayment->handlePaymentForm(Array, Array, Object(Drupal\Core\Form\FormState), 'pagamento_page')
#5 /opt/drupal/web/modules/webform/src/WebformSubmissionForm.php(2623): Drupal\stripe_webform_payment\Plugin\WebformElement\StripeWebformPayment->alterForm(Array, Array, Object(Drupal\Core\Form\FormState))
#6 /opt/drupal/web/modules/webform/src/WebformSubmissionForm.php(2627): Drupal\webform\WebformSubmissionForm->alterElementsForm(Array, Array, Object(Drupal\Core\Form\FormState))
#7 /opt/drupal/web/modules/webform/src/WebformSubmissionForm.php(659): Drupal\webform\WebformSubmissionForm->alterElementsForm(Array, Array, Object(Drupal\Core\Form\FormState))
#8 [internal function]: Drupal\webform\WebformSubmissionForm->buildForm(Array, Object(Drupal\Core\Form\FormState))
#9 /opt/drupal/web/core/lib/Drupal/Core/Form/FormBuilder.php(536): call_user_func_array(Array, Array)
#10 /opt/drupal/web/core/lib/Drupal/Core/Form/FormBuilder.php(375): Drupal\Core\Form\FormBuilder->retrieveForm('webform_submiss...', Object(Drupal\Core\Form\FormState))
#11 /opt/drupal/web/core/lib/Drupal/Core/Form/FormBuilder.php(633): Drupal\Core\Form\FormBuilder->rebuildForm('webform_submiss...', Object(Drupal\Core\Form\FormState), Array)
#12 /opt/drupal/web/core/lib/Drupal/Core/Form/FormBuilder.php(325): Drupal\Core\Form\FormBuilder->processForm('webform_submiss...', Array, Object(Drupal\Core\Form\FormState))
#13 /opt/drupal/web/core/lib/Drupal/Core/Entity/EntityFormBuilder.php(48): Drupal\Core\Form\FormBuilder->buildForm(Object(Drupal\webform\WebformSubmissionForm), Object(Drupal\Core\Form\FormState))
#14 /opt/drupal/web/modules/webform/src/Entity/Webform.php(1257): Drupal\Core\Entity\EntityFormBuilder->getForm(Object(Drupal\webform\Entity\WebformSubmission), 'add')
#15 /opt/drupal/web/modules/webform/src/Controller/WebformEntityController.php(77): Drupal\webform\Entity\Webform->getSubmissionForm()
#16 [internal function]: Drupal\webform\Controller\WebformEntityController->addForm(Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\webform\Entity\Webform))
#17 /opt/drupal/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array)
#18 /opt/drupal/web/core/lib/Drupal/Core/Render/Renderer.php(627): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#19 /opt/drupal/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(121): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#20 /opt/drupal/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)
#21 /opt/drupal/vendor/symfony/http-kernel/HttpKernel.php(181): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#22 /opt/drupal/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#23 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#24 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#25 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/ContentLength.php(28): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#26 /opt/drupal/web/core/modules/big_pipe/src/StackMiddleware/ContentLength.php(32): Drupal\Core\StackMiddleware\ContentLength->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#27 /opt/drupal/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\big_pipe\StackMiddleware\ContentLength->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#28 /opt/drupal/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#29 /opt/drupal/web/core/modules/ban/src/BanMiddleware.php(50): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#30 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\ban\BanMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#31 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#32 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#33 /opt/drupal/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\Core\StackMiddleware\AjaxPageState->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#34 /opt/drupal/web/core/lib/Drupal/Core/DrupalKernel.php(704): Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#35 /opt/drupal/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#36 {main}