iOS: "Error - The attached file could not be found" + "Unable to Display Document"

I have been using Zotero on my Macbook and Ipad, back and forth with much satisfaction. However, today I discovered that in some cases some pdf books could not be found, in others, they could not be displayed.

I have created a debug log: D1464198058


In both cases, MacOS and iOS, I am using the very recent versions of Zotero.

The files are synced via an webdav provider. The files have been successfully uploaded to my webdav storage. Furthermore, the corresponding zip files in which the pdf books are stored, seem to be valid and are working.

My Ipad has still plenty of storage left.


I would very much appreciate a feedback. Thanks in advance!


  • (+0000099): HTTP GET https://dav.box.com/dav/zotero/D5L7TCJM.zip failed with -1
    [ERROR] Zotero(+0000000): Download failed

    An SSL error has occurred and a secure connection to the server cannot be made.
    Box no longer supports WebDAV.
  • Thanks dstillman!! And so I totally forgot to update my WebDAV settings in Zotero for iOS with those from my new WebDAV provider. I was aware of the discontinuation of the WebDAV support by BOX, and so I only updated them on macOS. .___.

    Thumbs up! Very very happy with Zotero.
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