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 ('4a683364bb8c869b269ed947d9d2f97c','0','18.218.38.125','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714601399','thread.php?threadid=4852&goto=lastpost&sid=803413cd73d47e1b5b65563e957ef648','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: 02.05.2024 @ 00:09
Script: /thread.php?threadid=4852&goto=lastpost&sid=803413cd73d47e1b5b65563e957ef648
Referer: