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 ('43a253b054e87ff0b92773c98ce86456','0','3.80.173.25','claudebot','1711708538','register.php?sid=23c85050cd7dc1e32a04ce7ff47df111','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 @ 11:35
Script: /register.php?sid=23c85050cd7dc1e32a04ce7ff47df111
Referer: