Sitemap indexing problem after switch from phpbb

Hi there,
sorry if this is in wrong section, but I do not have all permissions to post anywhere (I own vbseo licence).

My forum is not reindexed even after 2 months when we changed phpbb3 -> vb+vbseo.

The problem is that almost all pages that are correctly shown in vbseo sitemaps got 404 errors (except useless member profiles). Here is a sample of pages that Google is telling me have 404:

Code:

http://sazkar.net/forum/tags/draw-no-bet.html
http://sazkar.net/forum/tags/bet-at-home.html
http://sazkar.net/forum/us-football/nfl-week-10-a-t12436.html
http://sazkar.net/forum/thegreek/the-greek-bonusy-moneybookers-t9772.html
http://sazkar.net/forum/neteller/funguje-neteller-t11005.html

Thanks for any help.

pls delete

dupe. closed.