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 ('7138e376b6c2736a9405a83fc0ca62e5','0','18.191.236.174','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714355939','register.php?sid=7a59d4fab9cc99c27646a3ab527ca879','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: 29.04.2024 @ 03:58
Script: /register.php?sid=7a59d4fab9cc99c27646a3ab527ca879
Referer: