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 ('9e8a3d00b1d665d994e5bb2c03a4dd20','0','3.137.157.45','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714600749','calendar.php?sid=3315d6aa868f6371f5ad41eb31063338','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: 01.05.2024 @ 23:59
Script: /calendar.php?sid=3315d6aa868f6371f5ad41eb31063338
Referer: