SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('ca7a3deb846db6c1a81d601f10ca1814','0','3.238.7.202','CCBot/2.0 (https://commoncrawl.org/faq/)','1614217482','board.php?boardid=94&page=1&daysprune=1000&sortfield=starter&sortorder=ASC','0','0','')
mysql error: The table 'bb1_sessions' is full
mysql error number: 1114
mysql version: 5.6.44-nmm1-log
php version: 5.6.38-nmm2
Date: 25.02.2021 @ 02:44
Script: /board.php?boardid=94&page=1&daysprune=1000&sortfield=starter&sortorder=ASC
Referer: