CakePHP 5 upgrade and Authentication

thread here on slack

ok Claude suggested changing

$authenticationService->setConfig([
    'unauthenticatedRedirect' => [
        'prefix' => false,
        'plugin' => false,
        'controller' => 'Users',
        'action' => 'login',
    ],
    'queryParam' => 'redirect',
]);

to

$authenticationService->setConfig([
    'unauthenticatedRedirect' => '/users/login',
    'queryParam' => 'redirect',
]);

and

'loginUrl' => Router::url([
    'prefix' => false,
    'plugin' => false,
    'controller' => 'Users',
    'action' => 'login',
]),

to

'loginUrl' => '/users/login',

which seems to have done the trick