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 ('0679e2b5fd8e57dd47bdaa1f6b17dcad','0','3.17.203.68','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714189196','register.php?sid=53d3a22ef1ce9f8fd066a52bb266962d','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: 27.04.2024 @ 05:39
Script: /register.php?sid=53d3a22ef1ce9f8fd066a52bb266962d
Referer: