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 ('8826545384572111e8275c38265f7fe8','0','18.223.171.12','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713593539','thread.php?threadid=4684&goto=lastpost&sid=b2c36e62c1fabcb5d4cec4608f5205ef','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 @ 08:12
Script: /thread.php?threadid=4684&goto=lastpost&sid=b2c36e62c1fabcb5d4cec4608f5205ef
Referer: