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 ('2cbde2ebed64c9a262f5eddd2aa80ff0','0','18.221.15.15','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713549999','pms.php?action=newpm&userid=6&sid=419c8ecee6fa4ef05bec900a488edc42','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: 19.04.2024 @ 20:06
Script: /pms.php?action=newpm&userid=6&sid=419c8ecee6fa4ef05bec900a488edc42
Referer: