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 ('a39d866cc93bf504c6e93206ab399bf0','0','54.81.33.119','claudebot','1711621775','register.php?sid=ade3bf2fb287b1b103840fc4d873bd6c','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: 28.03.2024 @ 11:29
Script: /register.php?sid=ade3bf2fb287b1b103840fc4d873bd6c
Referer: