Whoops, looks like something went wrong.

            $subRequest = $request->withQueryParams([])->withUri(new Uri($resolvedUrl))->withMethod('GET');
            $subResponse = $this->sendSubRequest($subRequest, $urlParams['pageuid'], $request);

            if ($subResponse->getStatusCode() >= 300) {
                throw new \RuntimeException(sprintf('Error handler could not fetch error page "%s", status code: %s', $resolvedUrl, $subResponse->getStatusCode()), 1544172839);
            }

            $response = $this->responseFactory->createResponse($this->statusCode)
                ->withHeader('content-type', $subResponse->getHeader('content-type'))

    public function pageNotFoundAction(ServerRequestInterface $request, string $message, array $reasons = []): ResponseInterface
    {
        $errorHandler = $this->getErrorHandlerFromSite($request, 404);
        if ($errorHandler !== null) {
            return $errorHandler->handlePageError($request, $message, $reasons);
        }
        try {
            $response = $this->handleError(
                $request,

            /** @var PageArguments $pageArguments */
            $pageArguments = $site->getRouter()->matchRequest($request, $previousResult);
            $request = $request->withAttribute('routing', $pageArguments);
        } catch (RouteNotFoundException $e) {
            return GeneralUtility::makeInstance(ErrorController::class)->pageNotFoundAction(
                $request,
                'The requested page does not exist',
                ['code' => PageAccessFailureReasons::PAGE_NOT_FOUND]
            );

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                return new HtmlResponse($content, 200, ['Content-Type' => $contentType]);
            }
        }
        return $handler->handle($request);
    }

    /**
     * Find the proper configuration for the static route in the static route configuration. Mainly:

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            $adminPanelModuleConfiguration = $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['adminpanel']['modules'] ?? [];
            $modules = $this->moduleLoader->validateSortAndInitializeModules($adminPanelModuleConfiguration);
            $request = $this->initializeModules($request, $modules);
        }
        return $handler->handle($request);
    }

    /**
     * @param array<string, ModuleInterface> $modules

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            // @todo create report, then call persist, then dispatch new event
            $this->persistCspReport($scope, $request);
            return (new Response())->withStatus(201);
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                $uri = $requestedUri->withPath(rtrim($requestedUri->getPath(), '/'));
                return new RedirectResponse($uri, 307);
            }
        }
        return $handler->handle($request);
    }

    /**
     * Checks if the language is allowed in Frontend, if not, check if there is valid BE user

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        );

        // If the matched redirect is found, resolve it, and check further
        if (!is_array($matchedRedirect)) {
            return $handler->handle($request);
        }
        $url = $this->redirectService->getTargetUrl($matchedRedirect, $request);
        if ($url === null) {
            return $handler->handle($request);

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            $rateLimiter->reset();
            $this->eventDispatcher->dispatch(new AfterUserLoggedInEvent($frontendUser, $request));
        }

        $response = $handler->handle($request);

        // Store session data for fe_users
        $frontendUser->storeSessionData();
        $response = $frontendUser->appendCookieToResponse($response, $request->getAttribute('normalizedParams'));

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                $request = $request->withAttribute('frontend.cache.instruction', $cacheInstruction);
            }
        }

        $response = $handler->handle($request);

        // If, when building the response, the user is still available, then ensure that the headers are sent properly
        if ($this->context->getAspect('backend.user')->isLoggedIn()) {
            return $this->applyHeadersToResponse($response);

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            $this->securityAspect->setReceivedRequestToken(false);
            $this->logger->debug('Could not resolve request token', ['exception' => $exception]);
        }

        $response = $handler->handle($request);
        return $this->enrichResponseWithCookie($request, $response);
    }

    protected function resolveNoncePool(ServerRequestInterface $request): NoncePool

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        if (!$this->canHandleRequest($request)) {
            return $handler->handle($request);
        }

        $requestArguments = $this->getParamFromRequest($request, 'tx_sfregister');
        switch ($requestArguments['action']) {

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        ) {
            return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, 'This page is temporarily unavailable.');
        }
        // Continue the regular stack if no maintenance mode is active
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

    {
        $eID = $request->getParsedBody()['eID'] ?? $request->getQueryParams()['eID'] ?? null;

        if ($eID === null) {
            return $handler->handle($request);
        }

        // Remove any output produced until now
        ob_clean();

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        $request = $request->withAttribute('routing', $routeResult);
        if ($routeResult->getLanguage() instanceof SiteLanguage) {
            Locales::setSystemLocaleFromSiteLanguage($routeResult->getLanguage());
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        //        this has more impact and has not been sorted out, yet.
        $backup = $this->cacheDataCollector;
        $this->cacheDataCollector = new CacheDataCollector();
        $request = $request->withAttribute('frontend.cache.collector', $this->cacheDataCollector);
        $response = $handler->handle($request);
        if ($this->isDebugModeEnabled()) {
            $cacheTags = array_map(fn(CacheTag $cacheTag) => $cacheTag->name, $this->cacheDataCollector->getCacheTags());
            sort($cacheTags);
            foreach (explode("\n", wordwrap(implode(' ', $cacheTags), self::MAX_CACHE_TAGS_HEADER_LENGTH, "\n")) as $delta => $tags) {

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        $normalizedParams = $request->getAttribute('normalizedParams', null);
        if ($normalizedParams === null) {
            $request = $request->withAttribute('normalizedParams', NormalizedParams::createFromRequest($request));
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        $this->timeTracker->setEnabled($timeTrackingEnabled);
        $this->timeTracker->start(microtime(true));
        $this->timeTracker->push('');

        $response = $handler->handle($request);

        // Finish time tracking
        $this->timeTracker->pull();
        $this->timeTracker->finish();

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

     * Invoke the middleware stack
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        return $this->tip->handle($request);
    }

    /**
     * Seed the middleware stack with the inner request handler

    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        try {
            $response = $this->requestHandler->handle($request);
        } catch (ImmediateResponseException $exception) {
            $response = $exception->getResponse();
        }
        return $response;

        // Create new request object having applicationType "I am a frontend request" attribute.
        $request = $request->withAttribute('applicationType', SystemEnvironmentBuilder::REQUESTTYPE_FE);

        $this->initializeContext();
        return parent::handle($request);
    }

    /**
     * Initializes the Context used for accessing data and finding out the current state of the application

            return $this->container->get(BackendApplication::class)->handle($request);
        }

        if ($this->container->has(FrontendApplication::class)) {
            return $this->container->get(FrontendApplication::class)->handle($request);
        }

        throw new \Exception('TYPO3 is not configured. Please install typo3/cms-backend and/or typo3/cms-frontend', 1704788092);
    }

{
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        try {
            $response = $handler->handle($request);
        } catch (PropagateResponseException $e) {
            $response = $e->getResponse();
        }

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        $normalizedParams = $request->getAttribute('normalizedParams', null);
        if ($normalizedParams === null) {
            $request = $request->withAttribute('normalizedParams', NormalizedParams::createFromRequest($request));
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                1396795884
            );
        }

        return $handler->handle($request);
    }

    /**
     * Checks if the provided host header value matches the trusted hosts pattern.

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

     * Invoke the middleware stack
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        return $this->tip->handle($request);
    }

    /**
     * Seed the middleware stack with the inner request handler

    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        try {
            $response = $this->requestHandler->handle($request);
        } catch (ImmediateResponseException $exception) {
            $response = $exception->getResponse();
        }
        return $response;

            $this->sendResponse(new Response(null, 400));
            return;
        }

        $response = $this->handle($request);
        $this->sendResponse($response);
    }
}

    $container = \TYPO3\CMS\Core\Core\Bootstrap::init($classLoader, $isInstallToolDirectAccess);

    if ($container->has(\TYPO3\CMS\Core\Http\Application::class)) {
        $container->get(\TYPO3\CMS\Core\Http\Application::class)->run();
        return;
    }

    $container->get(\TYPO3\CMS\Install\Http\Application::class)->run();

        return;
    }

    $container->get(\TYPO3\CMS\Install\Http\Application::class)->run();
});