My batchbook sync tag is not working.

Are there any restrictions on the sync tag for gmail in batchbook? Mine is gmail-jrs and I added the tag to all my batchbook contacts and yet none of them show up in contacts at all. Ever. I have reset the sync 6 or 7 times and changed the tag as well. Yet the contacts are just not showing up in gmail sync group created by the batchbook authentication process.