I'm curious if the info every got into the database, mind running this query it will output everything for every version:
with xrefsrec as
(select documentid, RevNr, XRefDocument, XRefRevNr, 0 as [level] from XRefs where documentid = (select top 1 documentid from Documents where filename = 'ABC.SLDASM')
select xr.documentid, xr.RevNr, xr.XRefDocument, xr.XRefRevNr, [level] + 1 as [level] from XRefs xr
inner join xrefsrec on xr.DocumentID = xrefsrec.xrefdocument)
xrr.level ,d.filename, xrr.XRefRevNr
inner join xrefsrec xrr on d.documentid = xrr.XRefDocument
Unfortunately, I had to destroy the file set and copy a backed up version from outside the vault so that I could continue with my add-in development. If it happens again, I will be sure to run the query and post the results.