Problem importing Zips since upgrade to V#3310

[D S-Nicholson]

All my songs imported from discs are listed as type " custom assembly"
I imported three batches of 99 zips with no problems before upgrading to Hoster v3310.
When I tried to import batch of 99 zips using next book id root# , as soon as importing started the book id root# changed to #1 and the songs replaced the ones originally imported from disc. I cancelled import immediately but had already overwritten first five songs.
I will re-import from original disc but cannot import any more batches until this is fixed.
URGENT Help greatly appreciated as I have songs requested by regular singers that I need to add to my list.
Cheers
Derek
Madas Karaoke

[ddouglass]

Are all three batches of 99 files from a SCDG with the same discid?