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 ('c80e8be099caa3766fa4a52179d568c3','0','18.118.30.253','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714108853','register.php?sid=fa915ccc421b2f0eb1e70cec821693a6','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: 26.04.2024 @ 07:20
Script: /register.php?sid=fa915ccc421b2f0eb1e70cec821693a6
Referer: