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 ('2d94de293b17ae581839ff64e0367244','0','3.81.139.99','claudebot','1711711773','register.php?sid=1635ea79d68ed23a285841bd527f40ae','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 @ 12:29
Script: /register.php?sid=1635ea79d68ed23a285841bd527f40ae
Referer: