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 ('23109ce886b8a7d7765135aa33a9c661','0','18.221.53.209','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713870403','pms.php?action=newpm&userid=515&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: 23.04.2024 @ 13:06
Script: /pms.php?action=newpm&userid=515&sid=2bb7ae4ac23a8a6fbcbb9a9d4d28d5ba
Referer: