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 ('5b95264dd1b8d4edb32f12d1f52d8aba','0','52.91.0.68','claudebot','1711647509','register.php?sid=879131245c48d1d72dbd9c37c3496d50','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 @ 18:38
Script: /register.php?sid=879131245c48d1d72dbd9c37c3496d50
Referer: