An invalid implementation

access_unpublished_module_implements_alter() adds a NULL value to the $implementations array for some reason causing WSOD.

RuntimeException: An invalid implementation access_unpublished_token_info_alter was added by hook_module_implements_alter() in Drupal\Core\Extension\ModuleHandler->buildImplementationInfo() (line 651 of core/lib/Drupal/Core/Extension/ModuleHandler.php).

Drupal\Core\Extension\ModuleHandler->getImplementationInfo('token_info_alter') (Line: 328)
Drupal\Core\Extension\ModuleHandler->getImplementations('token_info_alter') (Line: 481)
Drupal\Core\Extension\ModuleHandler->alter('token_info', Array) (Line: 41)
Drupal\token\Token->getInfo() (Line: 248)
token_get_token_problems() (Line: 16)
token_requirements('runtime')
call_user_func_array('token_requirements', Array) (Line: 403)
Drupal\Core\Extension\ModuleHandler->invokeAll('requirements', Array) (Line: 109)
Drupal\system\SystemManager->listRequirements() (Line: 49)
Drupal\system\Controller\SystemInfoController->status()
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 578)
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: 158)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
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: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 716)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)