I just made the changes suggested in this thread with the exception that I added the group discussion post to the sitemap, I then deleted the whole data file in the ftp, and uploaded a new one, chmodded it to 777.
vBSEO Sitemap Generator : Quality vs Quantity
I built the sitemap via schedualed task, submitted and yesterday, today I see a red X on my google webmaster tools page for the sitemaps.
I dig down and it says it's my first sitemap, line 187,647 and when I mouse over that URL, it shows google.com/blogs/ ?
Do you know what I did, how I can fix this?
here is a screenshot