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 ('a39e9c141c5b80cba9f3214eeb638c94','0','3.137.218.215','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714124430','pms.php?action=newpm&userid=87&sid=6f0ab6fcb3d4c56ebec555c410f4c50f','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: 26.04.2024 @ 11:40
Script: /pms.php?action=newpm&userid=87&sid=6f0ab6fcb3d4c56ebec555c410f4c50f
Referer: