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 ('c1e3c2605bd8fce4acb202a3c4c547a3','0','3.135.205.146','claudebot','1713289888','register.php?sid=e551c39a25d9af5695cdbd37eb809e5e','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: 16.04.2024 @ 19:51
Script: /register.php?sid=e551c39a25d9af5695cdbd37eb809e5e
Referer: