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 ('d9c0bb0da5bee74fbbc0fc85ab001af7','0','3.238.254.78','claudebot','1711702841','thread.php?goto=lastpost&threadid=5346&sid=e4bcd100b66f9ac3be2dbfe5d3cf57c2','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: 29.03.2024 @ 10:00
Script: /thread.php?goto=lastpost&threadid=5346&sid=e4bcd100b66f9ac3be2dbfe5d3cf57c2
Referer: