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 ('8d3d3ffddffe5795d46e9bdb26c28ec9','0','35.171.22.220','claudebot','1711654352','register.php?sid=1eb80df1f8008c06d76d776fc3f4ec6a','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 @ 20:32
Script: /register.php?sid=1eb80df1f8008c06d76d776fc3f4ec6a
Referer: