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 ('21dfef051d0555f75f8e3e40b9214ed6','0','3.144.102.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715169471','register.php?sid=ef5b5b5ccf025f55a714e5a0f61e1204','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: 08.05.2024 @ 13:57
Script: /register.php?sid=ef5b5b5ccf025f55a714e5a0f61e1204
Referer: