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 ('ca0d6b1dedf7b022fb2ac669623d94ab','0','3.15.235.196','claudebot','1713431609','register.php?sid=8116cf009e7c2085bc36543c77b08105','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: 18.04.2024 @ 11:13
Script: /register.php?sid=8116cf009e7c2085bc36543c77b08105
Referer: