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 ('370e7c843d8dec4f1746dc8d14da3980','0','44.223.31.148','claudebot','1711642873','register.php?sid=ea2a442ddf351e4f8f9064f7ed3cd651','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 @ 17:21
Script: /register.php?sid=ea2a442ddf351e4f8f9064f7ed3cd651
Referer: