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 ('a39d6ef18e8acf03729d8cce3cc00995','0','3.128.198.21','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714192157','thread.php?threadid=4249&goto=lastpost&sid=e7765802b80fcdf0d92c37136a00c3cd','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: 27.04.2024 @ 06:29
Script: /thread.php?threadid=4249&goto=lastpost&sid=e7765802b80fcdf0d92c37136a00c3cd
Referer: