Error: Call to undefined function Drupal\redirect\Entity\redirect_sort_recursive()

Error: Call to undefined function Drupal\redirect\Entity\redirect_sort_recursive() in Drupal\redirect\Entity\Redirect::generateHash() (line 71 of modules/contrib/redirect/src/Entity/Redirect.php).

Drupal\redirect\Entity\Redirect::generateHash('user', Array, 'en') (Line: 67)
Drupal\redirect\RedirectRepository->findMatchingRedirect('user', Array, 'en') (Line: 145)
Drupal\redirect\EventSubscriber\RedirectRequestSubscriber->onKernelRequestCheckRedirect(Object, 'kernel.request', Object) (Line: 78)
Symfony\Component\EventDispatcher\LegacyEventDispatcherProxy->dispatch(Object, 'kernel.request') (Line: 134)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 67)
Drupal\simple_oauth\HttpMiddleware\BasicAuthSwap->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: 705)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)

Happening against Drupal 9.0.3 PHP 7.3.19

Haven't really investigated but it looks like the .module file hasn't been included yet at the time of that call.