Corrupt data file in ODB database

OS: Ubuntu GNOME 14.04, EN

LibreOffice version: 4.2.8.2 420m0(Build:2)

I know my XML is correct, as all of them will open in Firefox. When I open the file, I get this error (substituted hex values for binary output):

:1: parser error : Document is empty
[0x00, 0x04]
^

The only place this byte sequence appears is in the /database/data file in the ODB file itself (I could at least unzip it). I also unzipped and rezipped the file, only to get identical results, so I know it’s that specific file that’s corrupt (barring a LO bug). Could I get help on this? I’m willing to upload the file in question after I get a couple more points.