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 ('0c22a6ca9500ab75f05a09c806d2fd3d','0','3.144.48.135','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713894458','formmail.php?threadid=5374&sid=f147a0a0cb5dc6a41c21d23e0183989a','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: 23.04.2024 @ 19:47
Script: /formmail.php?threadid=5374&sid=f147a0a0cb5dc6a41c21d23e0183989a
Referer: