vbseo don't work very well

Hi,
i have installed the last version of vbseo and sitemap generator on my forum vbulletin 4.

After the installation i receive many error.

The mysql server as gone away on the query
INSERT INTO F_Fanta_mailqueue
(dateline, toemail, fromemail, subject, message, header)
VALUES

(1301983154,......
(but the server is active and the forum work)
or

nothing error but the sitemap_index is not generated.

With the old version never error.

help me

Hello ,

You need to change MySQL wait_timeout value , set the value 175~ and restart MySQL