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 ('fbc87385d3579437180d7a77dd28a6cb','0','3.90.35.86','claudebot','1711687004','register.php?sid=dbb08c98db36cee97260775e80bef90a','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 @ 05:36
Script: /register.php?sid=dbb08c98db36cee97260775e80bef90a
Referer: