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 ('7d31768c08fc1096c0440b8f77cea9c8','0','18.226.251.68','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714288248','usercp.php?action=buddy&add=31&sid=ad7b0f2167bae536bc1006b92d0acc9c','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: 28.04.2024 @ 09:10
Script: /usercp.php?action=buddy&add=31&sid=ad7b0f2167bae536bc1006b92d0acc9c
Referer: