Getting error on upgrade to 2.1.x

Problem/Motivation

Getting a WSOD error on upgrade to the recommended 2.1.x branch.

Steps to reproduce

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Error: Call to a member function getName() on null in Drupal\Core\Config\Entity\ConfigEntityStorage->doLoadMultiple() (line 206 of core/lib/Drupal/Core/Config/Entity/ConfigEntityStorage.php).
Drupal\Core\Entity\EntityStorageBase->loadMultiple() (Line: 26)
entity_extra_field_entity_extra_field_info()
call_user_func_array(Object, Array) (Line: 416)
Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}(Object, 'entity_extra_field') (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith('entity_extra_field_info', Object) (Line: 423)
Drupal\Core\Extension\ModuleHandler->invokeAll('entity_extra_field_info') (Line: 676)
Drupal\Core\Entity\EntityFieldManager->loadExtraFields() (Line: 649)
Drupal\Core\Entity\EntityFieldManager->getExtraFields('media', 'audio') (Line: 173)
Drupal\Core\Entity\EntityDisplayBase->init() (Line: 155)
Drupal\Core\Entity\EntityDisplayBase->__construct(Array, 'entity_view_display') (Line: 181)
Drupal\Core\Entity\Entity\EntityViewDisplay->__construct(Array, 'entity_view_display') (Line: 48)
Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay->__construct(Array, 'entity_view_display') (Line: 418)
Drupal\Core\Entity\EntityStorageBase->mapFromStorageRecords(Array) (Line: 41)
Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplayStorage->mapFromStorageRecords(Array) (Line: 186)
Drupal\Core\Config\Entity\ConfigEntityStorage->doLoadMultiple(Array) (Line: 312)
Drupal\Core\Entity\EntityStorageBase->loadMultiple(Array) (Line: 262)
Drupal\Core\Entity\EntityStorageBase->load('media.audio.default') (Line: 257)
Drupal\Core\Entity\EntityDisplayRepository->getViewDisplay('media', 'audio') (Line: 114)
media_requirements('runtime')
call_user_func_array(Object, Array) (Line: 416)
Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}(Object, 'media') (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith('requirements', Object) (Line: 423)
Drupal\Core\Extension\ModuleHandler->invokeAll('requirements', Array) (Line: 109)
Drupal\system\SystemManager->listRequirements() (Line: 93)
Drupal\system\SystemManager->checkRequirements() (Line: 122)
Drupal\system\Controller\SystemController->overview('system.admin_config')
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: 124)
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: 28)
Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->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: 50)
Drupal\ban\BanMiddleware->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)