Kann (manchmal) nicht ins BB(Error-Meldung)

Fatal error: Invalid SQL: INSERT INTO wcf1_session
(sessionID, packageID, userID, ipAddress, userAgent,
lastActivityTime, requestURI, requestMethod,
username)
VALUES ('3a4f818f56d523622116a2c7c8c41fd17b9d00d1',
38,
0,
'87.173.161.128',
'Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.2.15) Gecko/20110303 Firefox/3.6.15',
1300618704,
'/bb/index.php',
'GET',
''
)

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=1114

Information:

error message: Invalid SQL: INSERT INTO wcf1_session
(sessionID, packageID, userID, ipAddress, userAgent,
lastActivityTime, requestURI, requestMethod,
username)
VALUES ('3a4f818f56d523622116a2c7c8c41fd17b9d00d1',
38,
0,
'87.173.161.128',
'Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.2.15) Gecko/20110303 Firefox/3.6.15',
1300618704,
'/bb/index.php',
'GET',
''
)

error code: 1114

sql type: MySQLDatabase
sql error: The table 'wcf1_session' is full
sql error number: 1114
sql version:
file: /var/customers/webs/Bisafans/bb/wcf/lib/system/database/MySQLDatabase.class.php (118)

php version: 5.2.6-1+lenny8

wcf version: 1.1.3 (Tempest)

date: Sun, 20 Mar 2011 10:58:25 +0000

request: /bb/

referer: http://www.bisafans.de/

Stacktrace:

#0 /var/customers/webs/Bisafans/bb/wcf/lib/system/session/CookieSessionFactory.class.php(71): MySQLDatabase->sendQuery('INSERT INTO ?wc...')
#1 /var/customers/webs/Bisafans/bb/wcf/lib/system/session/SessionFactory.class.php(73): CookieSessionFactory->create()
#2 /var/customers/webs/Bisafans/bb/lib/system/WBBCore.class.php(200): SessionFactory->get()
#3 /var/customers/webs/Bisafans/bb/wcf/lib/system/WCF.class.php(98): WBBCore->initSession()
#4 /var/customers/webs/Bisafans/bb/global.php(18): WCF->__construct()
#5 /var/customers/webs/Bisafans/bb/index.php(7): require_once('/var/customers/...')
#6 {main}