Exception: {"Exception":"OCP\\Files\\StorageNotAvailableException","Message":"Sabre\\HTTP\\ClientException: couldn't connect to host","Code":0,"Trace":"#0 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/files\/storage\/dav.php(575): OC\\Files\\Storage\\DAV->convertException(Object(Sabre\\HTTP\\ClientException), '')\n#1 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/files\/storage\/common.php(408): OC\\Files\\Storage\\DAV->stat('')\n#2 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/apps\/files_external\/lib\/config.php(497): OC\\Files\\Storage\\Common->test(false)\n#3 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/apps\/files_external\/controller\/storagescontroller.php(123): OC_Mount_Config::getBackendStatus('\\\\OC\\\\Files\\\\Stora...', Array, false)\n#4 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/apps\/files_external\/controller\/globalstoragescontroller.php(157): OCA\\Files_External\\Controller\\StoragesController->updateStorageStatus(Object(OCA\\Files_external\\Lib\\StorageConfig))\n#5 [internal function]: OCA\\Files_External\\Controller\\GlobalStoragesController->update(1, 'test', '\\\\OC\\\\Files\\\\Stora...', Array, NULL, Array, Array, 100)\n#6 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/appframework\/http\/dispatcher.php(159): call_user_func_array(Array, Array)\n#7 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/appframework\/http\/dispatcher.php(89): OC\\AppFramework\\Http\\Dispatcher->executeController(Object(OCA\\Files_External\\Controller\\GlobalStoragesController), 'update')\n#8 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/appframework\/app.php(108): OC\\AppFramework\\Http\\Dispatcher->dispatch(Object(OCA\\Files_External\\Controller\\GlobalStoragesController), 'update')\n#9 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/appframework\/routing\/routeactionhandler.php(45): OC\\AppFramework\\App::main('GlobalStoragesC...', 'update', Object(OC\\AppFramework\\DependencyInjection\\DIContainer), Array)\n#10 [internal function]: OC\\AppFramework\\routing\\RouteActionHandler->__invoke(Array)\n#11 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/route\/router.php(274): call_user_func(Object(OC\\AppFramework\\routing\\RouteActionHandler), Array)\n#12 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/base.php(873): OC\\Route\\Router->match('\/apps\/files_ext...')\n#13 \/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/index.php(40): OC::handleRequest()\n#14 {main}","File":"\/var\/www\/vhosts\/hosting1234.ab56c.netcup.net\/httpdocs\/tld.de\/oc\/lib\/private\/files\/storage\/dav.php","Line":814}