AxiosError: Request failed with status code 400

I add myself to the list.

Fresh latest AIO installation (NC31):

2025-03-13T08:26:34.090203582Z NOTICE: PHP message: 404 Not Found
2025-03-13T08:26:34.090239296Z Type: Slim\Exception\HttpNotFoundException
2025-03-13T08:26:34.090244033Z Code: 404
2025-03-13T08:26:34.090247718Z Message: Not found.
2025-03-13T08:26:34.090251184Z File: /var/www/docker-aio/php/vendor/slim/slim/Slim/Middleware/RoutingMiddleware.php
2025-03-13T08:26:34.090254929Z Line: 76
2025-03-13T08:26:34.090258365Z Trace: #0 /var/www/docker-aio/php/vendor/slim/slim/Slim/Routing/RouteRunner.php(62): Slim\Middleware\RoutingMiddleware->performRouting(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090262611Z #1 /var/www/docker-aio/php/vendor/slim/csrf/src/Guard.php(482): Slim\Routing\RouteRunner->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090266407Z #2 /var/www/docker-aio/php/vendor/slim/slim/Slim/MiddlewareDispatcher.php(177): Slim\Csrf\Guard->process(Object(GuzzleHttp\Psr7\ServerRequest), Object(Slim\Routing\RouteRunner))
2025-03-13T08:26:34.090270974Z #3 /var/www/docker-aio/php/vendor/slim/twig-view/src/TwigMiddleware.php(117): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090274869Z #4 /var/www/docker-aio/php/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Views\TwigMiddleware->process(Object(GuzzleHttp\Psr7\ServerRequest), Object(Psr\Http\Server\RequestHandlerInterface@anonymous))
2025-03-13T08:26:34.090278655Z #5 /var/www/docker-aio/php/src/Middleware/AuthMiddleware.php(36): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090282321Z #6 /var/www/docker-aio/php/vendor/slim/slim/Slim/MiddlewareDispatcher.php(280): AIO\Middleware\AuthMiddleware->__invoke(Object(GuzzleHttp\Psr7\ServerRequest), Object(Psr\Http\Server\RequestHandlerInterface@anonymous))
2025-03-13T08:26:34.090302250Z #7 /var/www/docker-aio/php/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(77): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090306076Z #8 /var/www/docker-aio/php/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\ErrorMiddleware->process(Object(GuzzleHttp\Psr7\ServerRequest), Object(Psr\Http\Server\RequestHandlerInterface@anonymous))
2025-03-13T08:26:34.090309842Z #9 /var/www/docker-aio/php/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090314559Z #10 /var/www/docker-aio/php/vendor/slim/slim/Slim/App.php(209): Slim\MiddlewareDispatcher->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090318184Z #11 /var/www/docker-aio/php/vendor/slim/slim/Slim/App.php(193): Slim\App->handle(Object(GuzzleHttp\Psr7\ServerRequest))
2025-03-13T08:26:34.090321780Z #12 /var/www/docker-aio/php/public/index.php(190): Slim\App->run()
2025-03-13T08:26:34.090325285Z #13 {main}
2025-03-13T08:26:34.090328620Z Tips: To display error details in HTTP response set "displayErrorDetails" to true in the ErrorHandler constructor.