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 ('d21621405dbc72b5a4a51d2a506af4e1','0','18.227.190.93','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713545940','thread.php?threadid=5313&threadview=0&hilight=&hilightuser=0&sid=7ebf1aa40f9a6d4e5602bf085a097136','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: 19.04.2024 @ 18:59
Script: /thread.php?threadid=5313&threadview=0&hilight=&hilightuser=0&sid=7ebf1aa40f9a6d4e5602bf085a097136
Referer: