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 ('a21768ce2977b937e17a43914e64196d','0','18.225.149.32','claudebot','1713463064','register.php?sid=09f6e7d39e0151adc9c963f98e4a7fa2','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: 18.04.2024 @ 19:57
Script: /register.php?sid=09f6e7d39e0151adc9c963f98e4a7fa2
Referer: