Forum Facebook conect error

[محروم.كوم]

When I try to connect through facebook I get the error below:

Warning: Invalid argument supplied for foreach() in [path]/includes/functions.php(6851) : eval()'d code on line 61


Code:
Database error in vBulletin 4.0.5:
Code:
Invalid SQL:
UPDATE vb_user
SET
fbaccesstoken = '118584944820076|2.0mZ_1q21gYybRVKfclmeNw__.3600.1 279706400-1022950921|4Reevj4GdEjCrK_QQnJWZkwnEXA.',
fbprofilepicurl = 'http://profile.ak.fbcdn.net/hprofile-ak-snc4/hs625.snc3/27418_1022950921_6983_q.jpg'

WHERE userid = 1;
MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Wednesday, July 21st 2010 @ 11:19:27 AM
Error Date : Wednesday, July 21st 2010 @ 11:19:46 AM
Script : http://www.supa.gr/forums/
Referrer : http://www.supa.gr/forums/?dofbredirect=1
IP Address : 84.205.231.38
Username : Dr.Overflow
Classname : vB_Database
MySQL Version :


After upgrading to 4.0.5, I get 50-70 per day error mail

please help __DEFINE_LIKE_SHARE__