how to fix this

Code: 
Database error in vBulletin 4.1.2:

Invalid SQL:

				INSERT IGNORE INTO session
					(sessionhash, userid, host, idhash, lastactivity, location, styleid, languageid, loggedin, inforum, inthread, incalendar, badlocation, useragent, bypass, profileupdate, apiclientid, apiaccesstoken)
				VALUES
					('ae520e7719404964fb547bf6e0e63de1', 1, '123.49.18.74', 'e9c0ad970af9178be3f67d15664dbbd6', 1300897346, '/admincp/options.php?null=0', 3, 0, 1, 0, 0, 0, 0, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.20 (KHTML, like Gecko) Chrome/11.0.672.2 Safari/534.20', 0, 0, 0, '');

MySQL Error   : The table 'session' is full
Error Number  : 1114
Request Date  : Wednesday, March 23rd 2011 @ 07:22:26 PM
Error Date    : Wednesday, March 23rd 2011 @ 07:22:27 PM
Script        : http://forum.smiling-dream.info/admincp/options.php?null=0
Referrer      : http://forum.smiling-dream.info/admincp/index.php?do=nav
IP Address    : xxx.xxx.xxx.xxx
Username      : ***
Classname     : vB_Database
MySQL Version : 5.1.56
onel0ve Reviewed by onel0ve on . session table full how to fix this Database error in vBulletin 4.1.2: Invalid SQL: INSERT IGNORE INTO session (sessionhash, userid, host, idhash, lastactivity, location, styleid, languageid, loggedin, inforum, inthread, incalendar, badlocation, useragent, bypass, profileupdate, apiclientid, apiaccesstoken) VALUES ('ae520e7719404964fb547bf6e0e63de1', 1, '123.49.18.74', 'e9c0ad970af9178be3f67d15664dbbd6', 1300897346, '/admincp/options.php?null=0', 3, 0, 1, 0, 0, 0, 0, 'Mozilla/5.0 Rating: 5