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 ('e06a2ab564f522c3c8d578330abfad5c','0','3.92.84.196','claudebot','1711696552','register.php?sid=2c6c7c6debbf9414e4bd817fe2955f10','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 @ 08:15
Script: /register.php?sid=2c6c7c6debbf9414e4bd817fe2955f10
Referer: