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 ('29e5e739dd13c24aafc2886c7a6bd9f3','0','3.137.218.230','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713872116','register.php?sid=c5cf11a6b9ec55bd8e8ab5b2dc665270','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 @ 13:35
Script: /register.php?sid=c5cf11a6b9ec55bd8e8ab5b2dc665270
Referer: