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 ('d43be5cf046832d5c5d152ffcf837986','0','3.142.35.75','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713589000','pms.php?action=newpm&userid=1&sid=2dec037c5f01e1d576ec62fcd841fbbc','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 @ 06:56
Script: /pms.php?action=newpm&userid=1&sid=2dec037c5f01e1d576ec62fcd841fbbc
Referer: