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 ('d6dc16609eeb751d8b7325a0588a40b3','0','107.21.176.63','claudebot','1711676932','register.php?sid=3cf92066436ffe28c72422c32cb35590','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 @ 02:48
Script: /register.php?sid=3cf92066436ffe28c72422c32cb35590
Referer: