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 ('a4a7f8c29c88b59369a0d86fd9e7b0bb','0','18.221.41.214','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714153737','formmail.php?threadid=5334&sid=1eaa5afc1b734c1018d3431429db0cac','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: 26.04.2024 @ 19:48
Script: /formmail.php?threadid=5334&sid=1eaa5afc1b734c1018d3431429db0cac
Referer: