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 ('d0b91aa6979eb90decf164859dfd048a','0','174.129.59.198','claudebot','1711667956','register.php?sid=9f75b639361afdbc0f886f6950cdc7af','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 @ 00:19
Script: /register.php?sid=9f75b639361afdbc0f886f6950cdc7af
Referer: