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 ('f1dca289f21e29ab8e5ae1d22d0ce389','0','3.133.131.168','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713953821','register.php?sid=cf80c216e483cfc8ac2f441bf55e972b','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: 24.04.2024 @ 12:17
Script: /register.php?sid=cf80c216e483cfc8ac2f441bf55e972b
Referer: