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 ('e986b2b77a6439ebb9bff707e897384d','0','18.189.180.76','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713568693','thread.php?threadid=5238&goto=lastpost&sid=2025e2c744069ef884e4f4669be79da9','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: 20.04.2024 @ 01:18
Script: /thread.php?threadid=5238&goto=lastpost&sid=2025e2c744069ef884e4f4669be79da9
Referer: