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 ('ce19e82e093b75486cf0dfd5cd7dfe0a','0','3.141.47.221','claudebot','1713481809','register.php?sid=3325ed5fad0c9695cbf3f5765c5093f9','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: 19.04.2024 @ 01:10
Script: /register.php?sid=3325ed5fad0c9695cbf3f5765c5093f9
Referer: