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 ('2a5b1554d3c99d575f60b56cf4fc135e','0','18.117.196.217','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713910408','register.php?sid=43d5714a9e79533a8e5e3e30d8545dd1','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 @ 00:13
Script: /register.php?sid=43d5714a9e79533a8e5e3e30d8545dd1
Referer: