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 ('28685e67b91d082cd3b6c441a97cb99d','0','3.15.202.4','claudebot','1713486232','register.php?sid=fb70e1f310f4dd9a7f8f948b9b058cbc','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 @ 02:23
Script: /register.php?sid=fb70e1f310f4dd9a7f8f948b9b058cbc
Referer: