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 ('bd7faaaeb98d811fbe61508fd4abefc6','0','3.138.105.31','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714109738','newthread.php?boardid=88&sid=ef5b5b5ccf025f55a714e5a0f61e1204','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 @ 07:35
Script: /newthread.php?boardid=88&sid=ef5b5b5ccf025f55a714e5a0f61e1204
Referer: