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 ('80737a15133d38e9398ba1ae9c2e48c5','0','18.119.131.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713504634','calendar.php?month=4&year=2018&sid=a96023c8fbd3f0bc3e5eff57fea4fac8','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: 19.04.2024 @ 07:30
Script: /calendar.php?month=4&year=2018&sid=a96023c8fbd3f0bc3e5eff57fea4fac8
Referer: