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 ('81ac0b5ab89d7e1f198ca9032e4ee341','0','3.146.221.52','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713624403','formmail.php?userid=2&sid=2bb7ae4ac23a8a6fbcbb9a9d4d28d5ba','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 @ 16:46
Script: /formmail.php?userid=2&sid=2bb7ae4ac23a8a6fbcbb9a9d4d28d5ba
Referer: