Error: file locked

hi,

i'm getting an error while synchronizing with my nextcloud. although sync seems to work properly.

Remote-Objekte aktualisiert: 1.

Abgeschlossen: 05/06/2020 15:57

Letzte Fehlermeldung: Error: PUT fb0bff5e149d4f77be87f6a5f3390a97.md: "joplin/fb0bff5e149d4f77be87f6a5f3390a97.md" is locked (Exception OCA\DAV\Connector\Sabre\Exception\FileLocked) (423): <?xml version="1.0" encoding="utf-8"?> <d:error xmlns:d="DAV:" xmlns:s="http://sabredav.org/ns"> <s:exception>OCA\DAV\Connector\Sabre\Exception\FileLocked</s:exception> <s:message>"joplin/fb0bff5e149d4f77be87f6a5f3390a97.md" is locked</s:message> </d:error>

i'm running joplin 1.0.170 on linux debian, synching to nextcloud.
when i delete the indicated "locked file" another error message with another "locked file" appears. any idea how to solve this problem?

https://discourse.joplinapp.org/search?q=FileLocked