Sync error on nextcloud client 2.5.0


#1

Since v2.5.0, i have error on sync with all the nextcloud servers i use.
The sync stop, impossible to work normally.
error is : unknown error
image
log file :

[csync_update 	## Starting remote discovery ##
[OCC::AccessManager::createRequest 	6 "PROPFIND" "https://server/remote.php/dav/files/tom/" has X-Request-ID "f9ffb32b-e6ba-4b5d-8cde-71b1c50c08f5"
[OCC::AbstractNetworkJob::start 	OCC::LsColJob created for "https://server" + "" "OCC::DiscoverySingleDirectoryJob"
[OCC::WebFlowCredentials::slotFinished 	request finished
[OCC::WebFlowCredentials::stillValid 	Still valid?
[OCC::WebFlowCredentials::stillValid 	QNetworkReply::NetworkError(NoError)
[OCC::WebFlowCredentials::stillValid 	"Erreur inconnue"
[OCC::JsonApiJob::finished 	JsonApiJob of QUrl("https://server/ocs/v2.php/apps/notifications/api/v2/notifications?format=json") FINISHED WITH STATUS "OK"
[OCC::JsonApiJob::finished 	Nothing changed so nothing to retrieve - status code:  304
[OCC::ServerNotificationHandler::slotNotificationsReceived 	Status code  304  Not Modified - No new notifications.
[OCC::WebFlowCredentials::slotFinished 	request finished
[OCC::WebFlowCredentials::stillValid 	Still valid?
[OCC::WebFlowCredentials::stillValid 	QNetworkReply::NetworkError(NoError)
[OCC::WebFlowCredentials::stillValid 	"Erreur inconnue"
[OCC::LsColJob::finished 	LSCOL of QUrl("https://server/remote.php/dav/files/tom/") FINISHED WITH STATUS "OK"
[OCC::DiscoverySingleDirectoryJob::lsJobFinishedWithErrorSlot 	LSCOL job error "Erreur inconnue" 200 QNetworkReply::NetworkError(NoError)
[csync_ftw 	opendir failed for  - errno 5
[OCC::SyncEngine::handleSyncError 	ERROR during  csync_update :  "Une erreur est survenue lors de l'ouverture d'un dossier Erreur inconnue"
[OCC::ActivityWidget::addError 	Item  "Nextcloud"  retrieved resulted in  "Une erreur est survenue lors de l'ouverture d'un dossier Erreur inconnue"
[OCC::ActivityListModel::addErrorToActivityList 	Error successfully added to the notification list:  "Une erreur est survenue lors de l'ouverture d'un 
dossier Erreur inconnue"
[OCC::SyncJournalDb::close 	Closing DB "/home/tom/Nextcloud/._sync_a648de948bd6.db"
[OCC::SyncEngine::finalize 	CSync run took  5412 ms
[OCC::Folder::slotSyncFinished 	Client version 2.5.0git  Qt 5.9.5  SSL  OpenSSL 1.1.0g  2 Nov 2017
[OCC::Folder::slotSyncFinished 	SyncEngine finished with ERROR
[OCC::Folder::showSyncResultPopup 	Folder sync result:  2
[OCC::Folder::slotSyncFinished 	the last 1 syncs failed
[OCC::ownCloudGui::slotSyncStateChange 	Sync state changed for folder  "https://server/remote.php/dav/files/tom/" :  "Error"
[OCC::FolderMan::slotFolderSyncFinished 	<========== Sync finished for folder [Nextcloud] of account [tom@server] with remote [https://server/remote.ph
p/dav/files/tom/]
[OCC::AccessManager::createRequest 	6 "GET" "https://server/ocs/v2.php/core/navigation/apps?absolute=true&format=json" has X-Request-ID "26c91ebf-1471-416
5-8808-8ea05c622696"
[OCC::AbstractNetworkJob::start 	OCC::OcsNavigationAppsJob created for "https://server" + "ocs/v2.php/core/navigation/apps" ""
[OCC::WebFlowCredentials::slotFinished 	request finished
[OCC::AbstractNetworkJob::slotFinished 	QNetworkReply::NetworkError(ContentNotFoundError) "Le serveur a répondu \"404 Not Found\"  à \"GET https://server/ocs/
v2.php/core/navigation/apps?absolute=true&format=json\"" QVariant(int, 404)
[OCC::WebFlowCredentials::stillValid 	Still valid?
[OCC::WebFlowCredentials::stillValid 	QNetworkReply::NetworkError(ContentNotFoundError)
[OCC::WebFlowCredentials::stillValid 	"Error transferring https://server/ocs/v2.php/core/navigation/apps?absolute=true&format=json - server replied: Not Fou
nd"
[OCC::OcsJob::finished 	Reply to "GET" QUrl("https://server/ocs/v2.php/core/navigation/apps") (QPair("absolute","true")) has unexpected status code: 404 "{\"o
cs\":{\"meta\":{\"status\":\"failure\",\"statuscode\":404,\"message\":\"Invalid query, please check the syntax. API specifications are here: http:\\/\\/www.fr
eedesktop.org\\/wiki\\/Specifications\\/open-collaboration-services.\\n\"},\"data\":[]}}"
[OCC::AccessManager::createRequest 	6 "PROPFIND" "https://server/remote.php/dav/files/tom/" has X-Request-ID "4e761d95-0862-4ad3-9731-ceb80728144e"
[OCC::AbstractNetworkJob::start 	OCC::PropfindJob created for "https://server" + "/" "OCC::QuotaInfo"
[OCC::WebFlowCredentials::slotFinished 	request finished
[OCC::WebFlowCredentials::stillValid 	Still valid?
[OCC::WebFlowCredentials::stillValid 	QNetworkReply::NetworkError(NoError)
[OCC::WebFlowCredentials::stillValid 	"Erreur inconnue"
[OCC::PropfindJob::finished 	PROPFIND of QUrl("https://server/remote.php/dav/files/tom/") FINISHED WITH STATUS "OK"
[OCC::AccountManager::saveAccount 	Saving account "https://server"

no error on servers, i have this error on many computers Ubuntu 18.04


#2

I have the same - did you solve this?

For the moment I found that the snap app is still 2.3.3 and works - so I rolled back to that.