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 ('4dfd7e41ec40a16ad90cf6fa9bf3d42a','0','3.238.6.55','claudebot','1711690474','thread.php?goto=lastpost&threadid=5091&sid=2f1d7c6ff00d1a4b58fc112232b9c5b1','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 @ 06:34
Script: /thread.php?goto=lastpost&threadid=5091&sid=2f1d7c6ff00d1a4b58fc112232b9c5b1
Referer: