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 ('ac90e9b0b020f860972ec9ed22dd62de','0','3.15.6.77','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713598695','thread.php?threadid=4697&goto=lastpost&sid=c8e3034ac641501b9ae7cdd9646367ea','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: 20.04.2024 @ 09:38
Script: /thread.php?threadid=4697&goto=lastpost&sid=c8e3034ac641501b9ae7cdd9646367ea
Referer: