ONLYOFFICE | same document, different content

Hello,

I’ve installed the new nextcloud onlyoffice integration and it works pretty well…
But when two different users opens the same document, they see just a blank document. They can write in the document, but the other user didn’t see that. So, every user has it’s own document.

Have someone else this problem? How can I fix it?

Best regards,
Anton

Ok, the reason for that is my external drive.
A document in the nextcloud root works fine. But all my documents from the external drives are not working…

Is there a fix for this?