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 ('bfd9cf69fc196e42d9381c7baf8c939a','0','3.145.156.46','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713627906','pms.php?action=newpm&userid=42&sid=83278c06ca4c9b53a0eb5b29733b593c','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 @ 17:45
Script: /pms.php?action=newpm&userid=42&sid=83278c06ca4c9b53a0eb5b29733b593c
Referer: