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 ('dda3cda409768059bc7e3cd2d3a866d0','0','3.87.133.69','claudebot','1711669144','register.php?sid=ebf71bc909b0c0c89690fd6a2102be4e','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 @ 00:39
Script: /register.php?sid=ebf71bc909b0c0c89690fd6a2102be4e
Referer: