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 ('040f6cf4560d5f75279cdb0601f8fd89','0','3.21.104.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714031332','thread.php?goto=lastpost&threadid=4693&sid=c7b026a6c05bb6637c9a7fa2bcbf423a','0','0','')
mysql error: The table 'bb1_sessions' is full
mysql error number: 1114
mysql version: 10.0.32-MariaDB-0+deb8u1
php version: 5.6.33-0+deb8u1
Date: 25.04.2024 @ 09:48
Script: /thread.php?goto=lastpost&threadid=4693&sid=c7b026a6c05bb6637c9a7fa2bcbf423a
Referer: