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 ('5d0ae667694e44f92ca386a140738fbb','0','3.80.155.163','claudebot','1711716007','register.php?sid=31f9665d99a43d7f1719ec73e9773d7f','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 @ 13:40
Script: /register.php?sid=31f9665d99a43d7f1719ec73e9773d7f
Referer: