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 ('b559daa6d8aa287eaf5479eafb60eeb6','0','3.12.161.77','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713601072','calendar.php?month=2&year=2018&sid=76d383d2bdbfddce61f0fbb4dbb6b5a2','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 @ 10:17
Script: /calendar.php?month=2&year=2018&sid=76d383d2bdbfddce61f0fbb4dbb6b5a2
Referer: