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 ('d3e6be2bbb0f7f273a55a8557bb7bef2','0','3.141.31.240','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713595700','register.php?sid=bfa4af3b801aa4f9675bc9b4820192ac','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 @ 08:48
Script: /register.php?sid=bfa4af3b801aa4f9675bc9b4820192ac
Referer: