[appstoreFetcher] Info: GuzzleHttp\Exception\ServerException: Server error: `GET https://apps.nextcloud.com/api/v1/apps.json` resulted in a `502 Proxy Error` response: 502 Proxy Error

Proxy E (truncated...) at <> 0. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/guzzle/src/Middleware.php line 66 GuzzleHttp\Exception\RequestException::create(GuzzleHttp\Psr7\Request {}, "*** sensitive parameter replaced ***") 1. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 203 GuzzleHttp\Middleware::GuzzleHttp\{closure}("*** sensitive parameters replaced ***") 2. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 156 GuzzleHttp\Promise\Promise::callHandler(1, "*** sensitive parameter replaced ***", [GuzzleHttp\Prom ... l]) 3. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/TaskQueue.php line 47 GuzzleHttp\Promise\Promise::GuzzleHttp\Promise\{closure}("*** sensitive parameters replaced ***") 4. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 246 GuzzleHttp\Promise\TaskQueue->run(true) 5. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 223 GuzzleHttp\Promise\Promise->invokeWaitFn() 6. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 267 GuzzleHttp\Promise\Promise->waitIfPending() 7. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 225 GuzzleHttp\Promise\Promise->invokeWaitList() 8. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/promises/src/Promise.php line 62 GuzzleHttp\Promise\Promise->waitIfPending() 9. /usr/share/webapps/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 131 GuzzleHttp\Promise\Promise->wait() 10. /usr/share/webapps/nextcloud/lib/private/Http/Client/Client.php line 161 GuzzleHttp\Client->request("get", "https://apps.ne ... n", {verify: "/media ... e}) 11. /usr/share/webapps/nextcloud/lib/private/App/AppStore/Fetcher/Fetcher.php line 108 OC\Http\Client\Client->get("https://apps.ne ... n", {timeout: 10,hea ... }}) 12. /usr/share/webapps/nextcloud/lib/private/App/AppStore/Fetcher/AppFetcher.php line 84 OC\App\AppStore\Fetcher\Fetcher->fetch("\"2019-05-17 08:11:41.263888+00:00\"", "[{\"id\":\"logr ... ]") 13. /usr/share/webapps/nextcloud/lib/private/App/AppStore/Fetcher/Fetcher.php line 172 OC\App\AppStore\Fetcher\AppFetcher->fetch("\"2019-05-17 08:11:41.263888+00:00\"", "[{\"id\":\"logr ... ]") 14. /usr/share/webapps/nextcloud/lib/private/Installer.php line 388 OC\App\AppStore\Fetcher\Fetcher->get() 15. /usr/share/webapps/nextcloud/settings/Controller/AppSettingsController.php line 155 OC\Installer->isUpdateAvailable("updatenotification") 16. /usr/share/webapps/nextcloud/settings/Controller/AppSettingsController.php line 138 OC\Settings\Controller\AppSettingsController->getAppsWithUpdates() 17. /usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 166 OC\Settings\Controller\AppSettingsController->viewApps() 18. /usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 99 OC\AppFramework\Http\Dispatcher->executeController(OC\Settings\Cont ... {}, "viewApps") 19. /usr/share/webapps/nextcloud/lib/private/AppFramework/App.php line 126 OC\AppFramework\Http\Dispatcher->dispatch(OC\Settings\Cont ... {}, "viewApps") 20. /usr/share/webapps/nextcloud/lib/private/AppFramework/Routing/RouteActionHandler.php line 47 OC\AppFramework\App::main("OC\\Settings\\C ... r", "viewApps", OC\AppFramework\ ... {}, {category: "",id ... "}) 21. <> OC\AppFramework\Routing\RouteActionHandler->__invoke({category: "",id ... "}) 22. /usr/share/webapps/nextcloud/lib/private/Route/Router.php line 297 undefinedundefinedcall_user_func(OC\AppFramework\ ... {}, {category: "",id ... "}) 23. /usr/share/webapps/nextcloud/lib/base.php line 975 OC\Route\Router->match("/settings/apps") 24. /usr/share/webapps/nextcloud/index.php line 42 OC::handleRequest() GET /nextcloud/index.php/settings/apps from ***** by ***** at 2019-05-17T11:54:32+00:00