INSERT IGNORE INTO session
(sessionhash, userid, host, idhash, lastactivity, location, styleid, languageid, loggedin, inforum, inthread, incalendar, badlocation, useragent, bypass, profileupdate)
VALUES
('6d976537e5d4c1ed5a5de8f0bf33da9f', 0, '76.26.252.106', '5e569d9fb0e91118a274fea53b7f191b', 1282960735, '/', 0, 0, 0, 0, 0, 0, 2, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.8) Gecko/20100722 AskTbF-ET/3.8.0.12304 Firefox/3.6.8', 0, 0);

MySQL Error : The table 'session' is full
Error Number : 1114


run this for a temp fix

Have you modified your footer template? If so, revert it. You made a change somewwhere that has stopped the vB Scheduled Tasks from running (which periodically empty the session table.)

For now, run this query:

DELETE FROM session;